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ALAB or KLAC or TSEM
Which Stock Would AI Choose? Astera Labs (ALAB) vs. KLA Corporation (KLAC) vs. Tower Semiconductor (TSEM) Stock Comparison
Key Takeaways
- ALAB delivered robust full-year revenue growth of 115% but faced recent volatility amid concerns over semiconductor demand, with shares down significantly YTD.
- KLAC leads in stability, posting strong YTD gains around 17% driven by AI-related process control and advanced packaging demand, supported by high margins.
- TSEM achieved record Q4 revenue of $440 million, up 14% YoY, fueled by AI infrastructure and silicon photonics, with impressive 1-year returns over 300%.
- All three benefit from AI tailwinds in semiconductors, but KLAC shows superior relative momentum and lower volatility compared to peers.
- Recent partnerships in photonics for TSEM and connectivity ramps for ALAB highlight growth catalysts, while KLAC emphasizes consistent free cash flow.
- Valuations reflect premiums: ALAB at 82x P/E, KLAC around 39x forward, and TSEM trading at attractive multiples amid momentum.
Introduction
This comparison examines ALAB, KLAC, and TSEM, three semiconductor firms capitalizing on AI infrastructure expansion. ALAB focuses on connectivity solutions, KLAC on process control equipment, and TSEM on specialty foundry services. Traders seeking exposure to AI-driven demand in data centers, advanced packaging, and photonics will find value in analyzing their relative performance, growth drivers, and market positioning. Recent quarters highlight contrasts in momentum and resilience amid sector rotations.
ALAB Overview and Recent Performance
Astera Labs (ALAB), a fabless semiconductor designer, specializes in connectivity solutions like PCIe retimers and CXL for cloud and AI infrastructure. In recent market activity, shares have experienced sharp declines, dropping around 40% YTD from early 2026 highs near $166, trading around $100 amid broader semiconductor pressures. Full-year 2025 revenue hit a record $852.5 million, up 115% YoY, with Q4 at $270.6 million, though guidance slightly tempered expectations, contributing to post-earnings selloffs. Sentiment reflects AI hyperscaler demand for Scorpio products but weighs customer concentration risks and pricing concerns. Analysts maintain buy ratings with targets around $202, signaling potential rebound if AI spending persists.
KLAC Overview and Recent Performance
KLA Corporation (KLAC) provides process control, inspection, and metrology solutions essential for semiconductor yield management. Recent performance remains resilient, with shares up approximately 17% YTD and over 100% in the past year, trading near $1,425 despite weekly pullbacks. Q2 fiscal 2026 revenue reached $3.3 billion, up 7% YoY, with EPS of $8.85 beating estimates, driven by advanced packaging (up significantly) and AI logic demand. The company announced a $7 billion buyback and dividend hike, bolstering confidence. Influences include strong services revenue and China exposure, offset by tariff headwinds. High gross margins near 63% underscore operational strength, supporting positive sentiment in recent weeks.
TSEM Overview and Recent Performance
Tower Semiconductor (TSEM), an independent foundry, delivers specialty analog and mixed-signal processes, including SiPho (silicon photonics) for AI data centers. Shares have surged over 35% YTD and 380% in the past year, though recent sessions saw volatility around $159-$170. Q4 2025 revenue hit a record $440 million, up 14% YoY, with full-year at $1.57 billion, propelled by RF infrastructure and photonics ramps. Key developments include partnerships with Coherent for 400 Gbps/lane transmission and Oriole for optical switching, enhancing AI exposure. Sentiment benefits from analyst upgrades and capacity investments, though patent disputes pose minor risks. Broader AI optics demand drives outperformance.
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Head-to-Head Comparison
ALAB’s fabless connectivity model contrasts KLAC’s equipment dominance and TSEM’s foundry customization, with growth tied to AI racks versus yield tools and SiPho. TSEM edges recent momentum (35% YTD) over KLAC (17%) and ALAB (-40%), but KLAC offers lower beta and dividends. Risks include ALAB’s concentration, TSEM’s geopolitics, and KLAC’s tariffs. All share semis/AI exposure, but KLAC’s 39x forward P/E appears balanced versus ALAB’s 82x and TSEM’s value. Sentiment favors KLAC for stability amid rotations.
Tickeron AI Verdict
Tickeron’s AI currently favors KLAC due to its trend consistency, high-margin stability, and catalysts in advanced packaging amid AI fab builds. While TSEM shows strong photonics momentum and ALAB high-growth potential, KLAC’s relative positioning and lower volatility suggest a higher probability of outperformance in the near term.
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. Disclaimers and Limitations
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 undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).
ALAB’s FA Score shows that 1 FA rating(s) are green whileKLAC’s FA Score has 4 green FA rating(s), and TSEM’s FA Score reflects 2 green FA rating(s).
- ALAB’s FA Score: 1 green, 4 red.
- KLAC’s FA Score: 4 green, 1 red.
- TSEM’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.
ALAB’s TA Score shows that 5 TA indicator(s) are bullish while KLAC’s TA Score has 5 bullish TA indicator(s), and TSEM’s TA Score reflects 6 bullish TA indicator(s).
- ALAB’s TA Score: 5 bullish, 3 bearish.
- KLAC’s TA Score: 5 bullish, 4 bearish.
- TSEM’s TA Score: 6 bullish, 4 bearish.
Price Growth
ALAB (@Semiconductors) experienced а +10.52% price change this week, while KLAC (@Electronic Production Equipment) price change was +13.87% , and TSEM (@Semiconductors) price fluctuated +3.04% for the same time period.
The average weekly price growth across all stocks in the @Semiconductors industry was +5.71%. For the same industry, the average monthly price growth was +5.17%, and the average quarterly price growth was +16.74%.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was +10.01%. For the same industry, the average monthly price growth was +10.62%, and the average quarterly price growth was +83.74%.
Reported Earning Dates
ALAB is expected to report earnings on May 05, 2026.
KLAC is expected to report earnings on Apr 23, 2026.
TSEM is expected to report earnings on May 18, 2026.
Industries' Descriptions
@Semiconductors (+5.71% weekly)The semiconductor industry manufacturers all chip-related products, including research and development. These chips are used in innumerable electronic devices, including computers, cell phones, smartphones, and GPSs. Intel Corporation, NVIDIA Corp., and Broadcomm are some of the prominent players in this industry. Semiconductor companies usually tend to do well during periods of healthy economic growth, thereby inducing further research and development in the industry – which in turn augurs well for productivity and growth in the economy. In the near future, demand for semiconductor products (and possibly innovation within the segment) should only expand further, with the proliferation of 5G, autonomous vehicles, IoT, and various AI-driven electronics set to herald a new, advanced chapter in the technology-driven world as we know it. With burgeoning prospects comes great competition. In 2015, SIA estimated that U.S. semiconductor industry ranks as the second most competitive U.S. industry out of 2882 U.S. industries designated manufacturers by the U.S. Census Bureau.
@Electronic Production Equipment (+10.01% weekly)The electronic production equipment industry makes equipment used to produce semiconductors. Such equipment includes wafer fabrication, plasma etching and photo-resist processing equipment. The industry also makes chemical vapor deposition processing systems and photomasks, which are high-purity quartz plates that contain patterns to define integrated circuits layouts. Applied Materials, Inc., Lam Research Corporation, and KLA-Tencor Corporation are examples of electronic production equipment manufacturing companies.
| ALAB | KLAC | TSEM | |
| Capitalization | 22B | 226B | 23B |
| EBITDA | 180M | 5.91B | 507M |
| Gain YTD | -22.181 | 42.337 | 73.582 |
| P/E Ratio | 106.11 | 50.28 | 105.06 |
| Revenue | 853M | 12.7B | 1.51B |
| Total Cash | 1.19B | 5.21B | 1.22B |
| Total Debt | 4.15M | 6.11B | 164M |
KLAC | TSEM | ||
|---|---|---|---|
OUTLOOK RATING 1..100 | 80 | 27 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 83 Overvalued | 88 Overvalued | |
PROFIT vs RISK RATING 1..100 | 6 | 4 | |
SMR RATING 1..100 | 13 | 78 | |
PRICE GROWTH RATING 1..100 | 4 | 34 | |
P/E GROWTH RATING 1..100 | 15 | 3 | |
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.
KLAC's Valuation (83) in the Electronic Production Equipment industry is in the same range as TSEM (88) in the Semiconductors industry. This means that KLAC’s stock grew similarly to TSEM’s over the last 12 months.
TSEM's Profit vs Risk Rating (4) in the Semiconductors industry is in the same range as KLAC (6) in the Electronic Production Equipment industry. This means that TSEM’s stock grew similarly to KLAC’s over the last 12 months.
KLAC's SMR Rating (13) in the Electronic Production Equipment industry is somewhat better than the same rating for TSEM (78) in the Semiconductors industry. This means that KLAC’s stock grew somewhat faster than TSEM’s over the last 12 months.
KLAC's Price Growth Rating (4) in the Electronic Production Equipment industry is in the same range as TSEM (34) in the Semiconductors industry. This means that KLAC’s stock grew similarly to TSEM’s over the last 12 months.
TSEM's P/E Growth Rating (3) in the Semiconductors industry is in the same range as KLAC (15) in the Electronic Production Equipment industry. This means that TSEM’s stock grew similarly to KLAC’s over the last 12 months.
| ALAB | KLAC | TSEM | |
|---|---|---|---|
| RSI ODDS (%) | 1 day ago 82% | 1 day ago 66% | 1 day ago 60% |
| Stochastic ODDS (%) | 1 day ago 76% | 1 day ago 69% | 1 day ago 54% |
| Momentum ODDS (%) | 1 day ago 83% | 1 day ago 74% | 1 day ago 78% |
| MACD ODDS (%) | 1 day ago 90% | 1 day ago 73% | 1 day ago 78% |
| TrendWeek ODDS (%) | 1 day ago 88% | 1 day ago 73% | 1 day ago 70% |
| TrendMonth ODDS (%) | 1 day ago 90% | 1 day ago 76% | 1 day ago 75% |
| Advances ODDS (%) | 1 day ago 88% | 1 day ago 73% | 1 day ago 68% |
| Declines ODDS (%) | 11 days ago 82% | 11 days ago 62% | 11 days ago 61% |
| BollingerBands ODDS (%) | 1 day ago 69% | 1 day ago 71% | 1 day ago 60% |
| Aroon ODDS (%) | 1 day ago 85% | N/A | 1 day ago 76% |
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| 1 Day | |||
|---|---|---|---|
| ETFs / NAME | Price $ | Chg $ | Chg % |
| NZAC | 42.60 | 0.17 | +0.40% |
| State Street®SPDR®MSCIACWIClmPrsAlgndETF | |||
| PSEP | 44.13 | 0.16 | +0.36% |
| Innovator US Equity Power Buffer ETF-Sep | |||
| GMOI | 37.44 | 0.04 | +0.11% |
| GMO International Value ETF | |||
| BSV | 78.32 | 0.04 | +0.05% |
| Vanguard Short-Term Bond ETF | |||
| SHUS | 46.55 | N/A | N/A |
| Stratified LargeCap Hedged ETF | |||
ALAB and
Correlation & Price change
A.I.dvisor indicates that over the last year, ALAB has been loosely correlated with CRDO. These tickers have moved in lockstep 65% of the time. This A.I.-generated data suggests there is some statistical probability that if ALAB jumps, then CRDO could also see price increases.
| Ticker / NAME | Correlation To ALAB | 1D Price Change % | ||
|---|---|---|---|---|
| ALAB | 100% | +3.19% | ||
| CRDO - ALAB | 65% Loosely correlated | -2.07% | ||
| VECO - ALAB | 55% Loosely correlated | +2.26% | ||
| AVGO - ALAB | 55% Loosely correlated | +1.22% | ||
| AMBA - ALAB | 54% Loosely correlated | +0.56% | ||
| LRCX - ALAB | 53% Loosely correlated | +4.98% | ||
More | ||||
KLAC and
Correlation & Price change
A.I.dvisor indicates that over the last year, KLAC has been closely correlated with LRCX. These tickers have moved in lockstep 89% of the time. This A.I.-generated data suggests there is a high statistical probability that if KLAC jumps, then LRCX could also see price increases.
| Ticker / NAME | Correlation To KLAC | 1D Price Change % | ||
|---|---|---|---|---|
| KLAC | 100% | +3.28% | ||
| LRCX - KLAC | 89% Closely correlated | +4.98% | ||
| AMAT - KLAC | 88% Closely correlated | +3.13% | ||
| NVMI - KLAC | 81% Closely correlated | +3.90% | ||
| ASML - KLAC | 80% Closely correlated | +1.94% | ||
| ADI - KLAC | 79% Closely correlated | +1.49% | ||
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TSEM and
Correlation & Price change
A.I.dvisor indicates that over the last year, TSEM has been loosely correlated with MTSI. These tickers have moved in lockstep 64% of the time. This A.I.-generated data suggests there is some statistical probability that if TSEM jumps, then MTSI could also see price increases.
| Ticker / NAME | Correlation To TSEM | 1D Price Change % | ||
|---|---|---|---|---|
| TSEM | 100% | +0.07% | ||
| MTSI - TSEM | 64% Loosely correlated | +0.29% | ||
| AMKR - TSEM | 61% Loosely correlated | +5.19% | ||
| SMTC - TSEM | 60% Loosely correlated | +1.97% | ||
| AMBA - TSEM | 60% Loosely correlated | +0.56% | ||
| KLIC - TSEM | 60% Loosely correlated | +6.14% | ||
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