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APH vs BELFB
Which Stock Would AI Choose? Amphenol Corporation (APH) vs. Bel Fuse Inc. (BELFB) Stock Comparison
Key Takeaways
- APH is a large-cap interconnect giant riding exceptional AI data center demand, while BELFB is a smaller electronic-components maker with a different growth and risk profile.
- Amphenol's sales and orders have accelerated sharply in recent quarters, driven by IT datacom (data communications) and its CommScope acquisition, whereas Bel Fuse is growing at a more moderate double-digit pace.
- The two companies differ substantially in scale, market capitalization, valuation, and end-market exposure, making this a contrast between scale-driven momentum and a smaller-cap specialist.
- Both names carry analyst optimism, but Bel Fuse recently faced a lowered price target and a sharp single-session pullback, reflecting near-term sentiment shifts.
- For more detail, readers can explore APH Major News and APH Today's Price Move, as well as BELFB Major News and BELFB Today's Price Move.
- Investors interested in systematic approaches may also want to explore Trending AI Robots to see how AI-driven trading strategies are currently positioning across tickers like these.
Introduction
This stock comparison examines two companies that both supply electronic components yet occupy very different positions in the market. Amphenol Corporation (APH) is one of the world's largest makers of electrical, electronic, and fiber optic connectors, and has become a prominent beneficiary of artificial intelligence (AI) infrastructure spending. Bel Fuse Inc. (BELFB) is a considerably smaller designer and manufacturer of products that power, protect, and connect electronic circuits. The comparison may appeal to traders evaluating relative performance and momentum, as well as longer-term investors weighing scale, growth drivers, and risk. Understanding how these two companies contrast in market positioning offers a useful lens on current conditions in the broader electronics supply chain.
APH Overview and Recent Performance
Amphenol designs, manufactures, and markets connectors, interconnect systems, antennas, sensors, and specialty cable across automotive, industrial, defense, commercial aerospace, communications networks, mobile devices, and IT datacom markets. In recent quarters, the company has reported record results, with sales rising sharply year over year and order books expanding well above billings, producing a book-to-bill ratio (orders received versus sales) above 1.2:1.
A central catalyst has been the rapid build-out of AI data centers, which has lifted demand for high-speed copper, fiber optic, and power interconnects. Amphenol's completed acquisition of CommScope's Connectivity and Cable Solutions business has broadened its portfolio and added optical capabilities. Recent market activity has been generally constructive, with shares advancing year to date, though the stock trades at a premium valuation relative to sector peers, reflecting high growth expectations and some concentration risk tied to AI-related capital expenditure.
BELFB Overview and Recent Performance
Bel Fuse designs and manufactures electronic components organized into three product groups: Power Solutions and Protection, Connectivity Solutions, and Magnetic Solutions. Its products serve networking, telecommunications, computing, industrial, high-speed data transmission, defense, commercial aerospace, transportation, and e-Mobility applications. Recent financial results have shown solid revenue growth, with quarterly sales rising roughly 25% year over year and improving gross margins.
However, Bel Fuse's recent stock behavior has been more volatile than Amphenol's. The shares pulled back sharply in a recent session, and one large investment bank lowered its price target while maintaining a favorable rating, illustrating how smaller-cap names can experience outsized swings on modest news flow. Analyst consensus remains broadly positive, and the company recently raised capital through an equity offering while paying down debt, an effort to strengthen its balance sheet. Sentiment reflects both the company's improving fundamentals and the inherent volatility of a smaller, more narrowly held stock.
Trending AI Robots
Tickeron's Trending AI Robots page showcases a curated selection of AI trading bots drawn from a platform that hosts hundreds of bots trading thousands of different tickers. Because market conditions shift constantly, only the strategies best suited to the current environment are featured in this section. The available bots span a wide range of trading styles, timeframes, performance metrics, and statistical profiles, and each bot focuses on its own set of tickers. This variety allows users to evaluate strategies that emphasize momentum, mean reversion, volatility, or trend-following across different holding periods. For traders researching names such as APH and BELFB, exploring the Trending AI Robots page can provide an additional, data-driven perspective on how automated systems are currently positioned.
Head-to-Head Comparison
The most immediate contrast is scale. Amphenol operates at a multi-billion-dollar quarterly revenue run rate with a market capitalization well above $100 billion, while Bel Fuse generates hundreds of millions in quarterly sales with a market capitalization in the low single-digit billions. This difference shapes everything from liquidity to volatility and institutional participation.
Growth drivers also diverge. Amphenol's momentum is heavily tied to AI data center investment and acquisition-led expansion, which has produced exceptional top-line acceleration but also concentration in the IT datacom segment and elevated debt following the CommScope deal. Bel Fuse's growth is more diversified across power, connectivity, and magnetic solutions, with improving margins and deleveraging, though its earnings growth has been less dramatic. On valuation, Amphenol trades at a premium forward price-to-earnings multiple, while Bel Fuse's forward multiple is comparatively lower, partly reflecting its smaller scale and different growth trajectory. Risk factors differ accordingly: Amphenol faces integration, leverage, and AI-capex cyclicality risks, while Bel Fuse faces smaller-cap volatility, customer concentration, and more limited diversification.
Tickeron AI Verdict
Based on observable trend consistency, order momentum, and relative positioning, Tickeron's AI would likely lean toward APH in the current environment. Amphenol has demonstrated more persistent upward revenue and order trends, broader earnings visibility, and stronger relative momentum, characteristics that trend-following systems tend to favor. Bel Fuse offers improving fundamentals and a more moderate valuation, but its recent volatility and a price-target reduction introduce greater near-term uncertainty. This assessment is probabilistic rather than definitive: should Bel Fuse's momentum stabilize or Amphenol's AI-related concentration become a concern, the relative outlook could shift. The verdict reflects current market positioning rather than a prediction of future returns.
Disclaimer
The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.
To compare these two companies we present long-term analysis, their fundamental ratings and make comparative short-term technical analysis which are presented below. The conclusion is APH is a Hold and BELFB is a Hold.
APH in upward trend: price may jump up because it broke its lower Bollinger Band on October 22, 2026
APH may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options. In 27 of 36 cases where APH's price broke its lower Bollinger Band, its price rose further in the following month. The odds of a continued upward trend are 75%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The RSI Oscillator points to a transition from a downward trend to an upward trend -- in cases where APH's RSI Indicator exited the oversold zone, 8 of 13 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 62%.
The Stochastic Oscillator is in the oversold zone. Keep an eye out for a move up in the foreseeable future.
The Momentum Indicator moved above the 0 level on November 06, 2026. You may want to consider a long position or call options on APH as a result. In 53 of 84 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 63%.
Following a +6.17% 3-day Advance, the price is estimated to grow further. Considering data from situations where APH advanced for three days, in 242 of 348 cases, the price rose further within the following month. The odds of a continued upward trend are 70%.
Bearish Trend Analysis
The Moving Average Convergence Divergence Histogram (MACD) for APH turned negative on November 05, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 51 similar instances when the indicator turned negative. In 25 of the 51 cases the stock turned lower in the days that followed. This puts the odds of success at 49%.
APH moved below its 50-day moving average on November 04, 2026 date and that indicates a change from an upward trend to a downward trend.
The 10-day moving average for APH crossed bearishly below the 50-day moving average on October 22, 2026. This indicates that the trend has shifted lower and could be considered a sell signal. In 15 of 17 past instances when the 10-day crossed below the 50-day, the stock continued to move higher over the following month. The odds of a continued downward trend are 88%.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where APH declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 56%.
The Aroon Indicator for APH entered a downward trend on November 03, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Fundamental Analysis (Ratings)
The Tickeron Profit vs. Risk Rating rating for this company is 12 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 75, placing this stock better than average.
The Tickeron SMR rating for this company is 27 (best 1 - 100 worst), indicating very strong sales and a profitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Price Growth Rating for this company is 61 (best 1 - 100 worst), indicating steady price growth. APH’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron Valuation Rating of 77 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: APH's P/B Ratio (11.873) is very high in comparison to the industry average of (3.803). P/E Ratio (35.519) is within average values for comparable stocks, (5.825). Projected Growth (PEG Ratio) (0.968) is also within normal values, averaging (0.930). Dividend Yield (0.007) settles around the average of (0.021) among similar stocks. P/S Ratio (6.859) is also within normal values, averaging (4.422).
The Tickeron PE Growth Rating for this company is 78 (best 1 - 100 worst), pointing to worse than average earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
BELFB in upward trend: price expected to rise as it breaks its lower Bollinger Band on October 14, 2026
BELFB may jump back above the lower band and head toward the middle band. Traders may consider buying the stock or exploring call options. In 22 of 25 cases where BELFB's price broke its lower Bollinger Band, its price rose further in the following month. The odds of a continued upward trend are 88%.
Technical Analysis (Indicators)
Bullish Trend Analysis
The RSI Oscillator points to a transition from a downward trend to an upward trend -- in cases where BELFB's RSI Oscillator exited the oversold zone, 15 of 18 resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are 83%.
The Stochastic Oscillator is in the oversold zone. Keep an eye out for a move up in the foreseeable future.
The Momentum Indicator moved above the 0 level on November 06, 2026. You may want to consider a long position or call options on BELFB as a result. In 67 of 79 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are 85%.
Following a +3.68% 3-day Advance, the price is estimated to grow further. Considering data from situations where BELFB advanced for three days, in 315 of 367 cases, the price rose further within the following month. The odds of a continued upward trend are 86%.
Bearish Trend Analysis
The Moving Average Convergence Divergence Histogram (MACD) for BELFB turned negative on November 06, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 46 similar instances when the indicator turned negative. In 34 of the 46 cases the stock turned lower in the days that followed. This puts the odds of success at 74%.
BELFB moved below its 50-day moving average on November 04, 2026 date and that indicates a change from an upward trend to a downward trend.
The 50-day moving average for BELFB moved below the 200-day moving average on October 22, 2026. This could be a long-term bearish signal for the stock as the stock shifts to an downward trend.
Following a 3-day decline, the stock is projected to fall further. Considering past instances where BELFB declined for three days, the price rose further in 50 of 62 cases within the following month. The odds of a continued downward trend are 71%.
The Aroon Indicator for BELFB entered a downward trend on November 03, 2026. This could indicate a strong downward move is ahead for the stock. Traders may want to consider selling the stock or buying put options.
Fundamental Analysis (Ratings)
The Tickeron PE Growth Rating for this company is 8 (best 1 - 100 worst), pointing to outstanding earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.
The Tickeron Profit vs. Risk Rating rating for this company is 30 (best 1 - 100 worst), indicating low risk on high returns. The average Profit vs. Risk Rating rating for the industry is 75, placing this stock better than average.
The Tickeron Price Growth Rating for this company is 64 (best 1 - 100 worst), indicating steady price growth. BELFB’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.
The Tickeron SMR rating for this company is 76 (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.
The Tickeron Valuation Rating of 78 (best 1 - 100 worst) indicates that the company is slightly overvalued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (3.284) is normal, around the industry mean (3.803). P/E Ratio (53.023) is within average values for comparable stocks, (5.825). Projected Growth (PEG Ratio) (1.723) is also within normal values, averaging (0.930). Dividend Yield (0.001) settles around the average of (0.021) among similar stocks. P/S Ratio (4.070) is also within normal values, averaging (4.422).
APH | BELFB | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 19 | 25 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 77 Overvalued | 78 Overvalued | |
PROFIT vs RISK RATING 1..100 | 12 | 30 | |
SMR RATING 1..100 | 27 | 76 | |
PRICE GROWTH RATING 1..100 | 61 | 64 | |
P/E GROWTH RATING 1..100 | 78 | 8 | |
SEASONALITY SCORE 1..100 | 50 | 50 |
Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.
APH's Valuation (77) in the Electronic Components industry is in the same range as BELFB (78). This means that APH’s stock grew similarly to BELFB’s over the last 12 months.
APH's Profit vs Risk Rating (12) in the Electronic Components industry is in the same range as BELFB (30). This means that APH’s stock grew similarly to BELFB’s over the last 12 months.
APH's SMR Rating (27) in the Electronic Components industry is somewhat better than the same rating for BELFB (76). This means that APH’s stock grew somewhat faster than BELFB’s over the last 12 months.
APH's Price Growth Rating (61) in the Electronic Components industry is in the same range as BELFB (64). This means that APH’s stock grew similarly to BELFB’s over the last 12 months.
BELFB's P/E Growth Rating (8) in the Electronic Components industry is significantly better than the same rating for APH (78). This means that BELFB’s stock grew significantly faster than APH’s over the last 12 months.
| APH | BELFB | |
|---|---|---|
| RSI ODDS (%) | 2 days ago 62% | 2 days ago 83% |
| Stochastic ODDS (%) | 2 days ago 72% | 2 days ago 81% |
| Momentum ODDS (%) | 2 days ago 63% | 2 days ago 85% |
| MACD ODDS (%) | 2 days ago 49% | 2 days ago 74% |
| TrendWeek ODDS (%) | 2 days ago 58% | 2 days ago 71% |
| TrendMonth ODDS (%) | 2 days ago 66% | 2 days ago 71% |
| Advances ODDS (%) | 5 days ago 70% | 9 days ago 86% |
| Declines ODDS (%) | 3 days ago 56% | 3 days ago 71% |
| BollingerBands ODDS (%) | 2 days ago 75% | 2 days ago 88% |
| Aroon ODDS (%) | 2 days ago 70% | 2 days ago 84% |
Long-Term Analysis
It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is overvalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
APH’s FA Score shows that 2 FA rating(s) are green while BELFB’s FA Score has 2 green FA rating(s).
- APH’s FA Score: 2 green, 3 red.
- BELFB’s FA Score: 2 green, 3 red.
Short-Term Analysis
It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.
If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.
APH’s TA Score shows that 5 TA indicator(s) are bullish while BELFB’s TA Score has 5 bullish TA indicator(s).
- APH’s TA Score: 5 bullish, 5 bearish.
- BELFB’s TA Score: 5 bullish, 5 bearish.
Price Growth
APH (@Electronic Components) experienced а -5.94% price change this week, while BELFB (@Electronic Components) price change was -12.43% for the same time period.
The average weekly price growth across all stocks in the @Electronic Components industry was -8.27%. For the same industry, the average monthly price growth was -22.17%, and the average quarterly price growth was -23.38%.
Reported Earning Dates
APH is expected to report earnings on Jan 27, 2027.
BELFB is expected to report earnings on Feb 24, 2027.
Industries' Descriptions
@Electronic Components (-8.27% weekly)The Electronic Components industry produces electronic equipment for industries and consumer electronics products, such as mobile devices, televisions, and circuit boards. TE Connectivity Ltd, for example, is a company that designs and manufactures connectivity and sensor products for harsh environments in various industries, such as automotive, industrial equipment, aerospace, and oil & gas. Another major player, Corning Inc., makes advanced optics including end-to-end fiber and wireless solutions for communications networks along with various other technologies catering to industrial and scientific applications.
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APH and
Correlation & Price change
A.I.dvisor indicates that over the last year, APH has been loosely correlated with TEL. These tickers have moved in lockstep 66% of the time. This A.I.-generated data suggests there is some statistical probability that if APH jumps, then TEL could also see price increases.
| Ticker / NAME | Correlation To APH | 1D Price Change % | ||
|---|---|---|---|---|
| APH | 100% | +4.12% | ||
| TEL - APH | 66% Loosely correlated | +0.31% | ||
| BELFB - APH | 58% Loosely correlated | +5.54% | ||
| BELFA - APH | 58% Loosely correlated | +6.09% | ||
| BHE - APH | 57% Loosely correlated | +1.79% | ||
| CLS - APH | 55% Loosely correlated | +0.51% | ||
More | ||||
BELFB and
Correlation & Price change
A.I.dvisor indicates that over the last year, BELFB has been closely correlated with BELFA. These tickers have moved in lockstep 95% of the time. This A.I.-generated data suggests there is a high statistical probability that if BELFB jumps, then BELFA could also see price increases.
| Ticker / NAME | Correlation To BELFB | 1D Price Change % | ||
|---|---|---|---|---|
| BELFB | 100% | +5.54% | ||
| BELFA - BELFB | 95% Closely correlated | +6.09% | ||
| PLXS - BELFB | 69% Closely correlated | +2.37% | ||
| LFUS - BELFB | 65% Loosely correlated | +2.10% | ||
| TTMI - BELFB | 63% Loosely correlated | +6.89% | ||
| VICR - BELFB | 59% Loosely correlated | +8.72% | ||
More | ||||
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