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ACLS or AMD or AMKR
Which Stock Would AI Choose? Axcelis Technologies (ACLS) vs. Advanced Micro Devices (AMD) vs. Amkor Technology (AMKR) Stock Comparison
Key Takeaways
- ACLS, AMD, and AMKR have all posted triple-digit one-year returns, with AMKR leading at over 330% amid AI packaging demand.
- AMD benefits from direct AI accelerator exposure, driving data center revenue growth exceeding 50% in recent quarters.
- ACLS shows strength in ion implantation for memory and power semiconductors, with YTD gains around 74%.
- AMKR's outsourced semiconductor assembly and test (OSAT) services surged on advanced packaging for AI chips, posting record Q1 revenue.
- All three trade at elevated P/E ratios above 35, reflecting semiconductor sector premiums tied to AI infrastructure buildout.
- Recent momentum favors AMKR with YTD returns near 95%, outpacing peers in relative performance.
Introduction
Axcelis Technologies (ACLS), Advanced Micro Devices (AMD), and Amkor Technology (AMKR) operate within the semiconductor ecosystem, benefiting from surging demand for AI infrastructure, high-bandwidth memory (HBM), and advanced chip packaging. This comparison analyzes their business models, recent market activity, and relative positioning in a sector driven by data center expansion and electrification trends. Traders seeking short-term momentum and investors eyeing long-term AI exposure will find value in understanding their contrasts in equipment manufacturing, chip design, and outsourced services amid volatile sector rotations.
ACLS Overview and Recent Performance
Axcelis Technologies (ACLS) designs and manufactures ion implantation equipment essential for semiconductor fabrication, particularly in high-energy doping for advanced nodes used in memory and power devices. In recent market activity, ACLS shares have advanced significantly, with YTD returns around 74% and one-year gains exceeding 168%. Sentiment has been bolstered by strong Q4 2025 results, including revenue of $238 million and non-GAAP EPS of $1.49, driven by customer service and implant (CS&I) growth amid DRAM/HBM momentum for AI applications. Backlog stood at $457 million, with management highlighting SiC (silicon carbide) opportunities despite near-term muting. A pending merger with Veeco adds potential for expanded offerings, though Q1 2026 guidance signals seasonality. Trading near $140, ACLS reflects optimism in implant tool demand tied to chip complexity.
AMD Overview and Recent Performance
Advanced Micro Devices (AMD) is a leading fabless semiconductor designer of CPUs, GPUs, and AI accelerators, with segments in data centers, client/gaming, and embedded markets. Recent weeks have seen AMD volatility but strong underlying momentum, with shares around $355 following a Q1 2026 earnings beat featuring $10.25 billion revenue (up 38% YoY) and adjusted EPS of $1.37, fueled by data center growth over 50%. AI demand for Instinct accelerators and EPYC processors has shifted data center to primary revenue driver, with customer forecasts for MI450 series exceeding expectations. YTD performance shows gains over 65%, and one-year returns top 250%, underscoring positioning in AI inferencing and servers. Elevated volumes reflect sector enthusiasm, tempered by competition from Nvidia.
AMKR Overview and Recent Performance
Amkor Technology (AMKR) provides outsourced semiconductor packaging and test (OSAT) services, specializing in advanced solutions like flip chip and wafer-level processing for AI and high-performance chips. In recent market activity, AMKR has outperformed with YTD returns near 95% and one-year surges over 330%, trading around $77. Q1 2026 delivered record $1.68 billion revenue (up 27% YoY) and EPS of $0.33 beating estimates, with gross margins at 14.2% from favorable mix in advanced packaging. Demand from communications and AI-related memory has offset softer areas, though supply constraints and capex for U.S. expansion (Arizona) pose risks. Strong backlog and EBITDA margins support sentiment in the packaging bottleneck for next-gen chips.
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Head-to-Head Comparison
ACLS focuses on specialized ion implantation equipment (~$4B market cap, P/E ~37), contrasting AMD's broad fabless design (~$580B cap, P/E ~138) and AMKR's OSAT services (~$19B cap, P/E ~44). Growth drivers diverge: AMD leverages direct AI GPU/CPU sales, AMKR advanced packaging for HBM/AI chips, and ACLS memory/power semi tools. Recent momentum peaks for AMKR (1-month +46%), followed by ACLS (+44%) and AMD amid post-earnings surges. Risks include AMD's Nvidia rivalry, ACLS's cyclical memory exposure, and AMKR's capex/debt from U.S. ramps. All share AI tailwinds but vary in valuation sensitivity—AMD premium-priced, others more accessible— with sentiment tilting toward packaging bottlenecks.
Tickeron AI Verdict
Tickeron’s AI currently favors AMKR due to superior recent trend consistency, explosive relative performance (YTD +95%), and positioning in AI-critical advanced packaging amid supply constraints. Observable catalysts like record revenues and sector bot inclusion enhance its edge over ACLS's steady equipment demand and AMD's scale, though volatility persists; probabilities tilt toward continued outperformance in HBM/AI flows.
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).
ACLS’s FA Score shows that 1 FA rating(s) are green whileAMD’s FA Score has 3 green FA rating(s), and AMKR’s FA Score reflects 2 green FA rating(s).
- ACLS’s FA Score: 1 green, 4 red.
- AMD’s FA Score: 3 green, 2 red.
- AMKR’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.
ACLS’s TA Score shows that 3 TA indicator(s) are bullish while AMD’s TA Score has 3 bullish TA indicator(s), and AMKR’s TA Score reflects 5 bullish TA indicator(s).
- ACLS’s TA Score: 3 bullish, 5 bearish.
- AMD’s TA Score: 3 bullish, 5 bearish.
- AMKR’s TA Score: 5 bullish, 4 bearish.
Price Growth
ACLS (@Electronic Production Equipment) experienced а -7.75% price change this week, while AMD (@Semiconductors) price change was -2.94% , and AMKR (@Electronic Production Equipment) price fluctuated -12.98% for the same time period.
The average weekly price growth across all stocks in the @Electronic Production Equipment industry was -9.96%. For the same industry, the average monthly price growth was +1.31%, and the average quarterly price growth was +121.85%.
The average weekly price growth across all stocks in the @Semiconductors industry was -10.58%. For the same industry, the average monthly price growth was -10.31%, and the average quarterly price growth was +83.46%.
Reported Earning Dates
ACLS is expected to report earnings on Aug 05, 2026.
AMD is expected to report earnings on Aug 04, 2026.
AMKR is expected to report earnings on Aug 03, 2026.
Industries' Descriptions
@Electronic Production Equipment (-9.96% 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.
@Semiconductors (-10.58% 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.
| ACLS | AMD | AMKR | |
| Capitalization | 5.32B | 850B | 19.5B |
| EBITDA | 139M | 8.09B | 1.25B |
| Gain YTD | 115.335 | 143.547 | 99.995 |
| P/E Ratio | 57.12 | 183.88 | 53.76 |
| Revenue | 845M | 37.5B | 7.07B |
| Total Cash | 367M | 12.3B | 1.85B |
| Total Debt | 42M | 3.87B | 1.52B |
ACLS | AMD | AMKR | ||
|---|---|---|---|---|
OUTLOOK RATING 1..100 | 74 | 68 | 23 | |
VALUATION overvalued / fair valued / undervalued 1..100 | 53 Fair valued | 83 Overvalued | 49 Fair valued | |
PROFIT vs RISK RATING 1..100 | 55 | 9 | 22 | |
SMR RATING 1..100 | 73 | 78 | 72 | |
PRICE GROWTH RATING 1..100 | 35 | 2 | 35 | |
P/E GROWTH RATING 1..100 | 3 | 11 | 5 | |
SEASONALITY SCORE 1..100 | 28 | n/a | 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.
AMKR's Valuation (49) in the Semiconductors industry is in the same range as ACLS (53) in the Electronic Production Equipment industry, and is somewhat better than the same rating for AMD (83) in the Semiconductors industry. This means that AMKR's stock grew similarly to ACLS’s and somewhat faster than AMD’s over the last 12 months.
AMD's Profit vs Risk Rating (9) in the Semiconductors industry is in the same range as AMKR (22) in the Semiconductors industry, and is somewhat better than the same rating for ACLS (55) in the Electronic Production Equipment industry. This means that AMD's stock grew similarly to AMKR’s and somewhat faster than ACLS’s over the last 12 months.
AMKR's SMR Rating (72) in the Semiconductors industry is in the same range as ACLS (73) in the Electronic Production Equipment industry, and is in the same range as AMD (78) in the Semiconductors industry. This means that AMKR's stock grew similarly to ACLS’s and similarly to AMD’s over the last 12 months.
AMD's Price Growth Rating (2) in the Semiconductors industry is somewhat better than the same rating for AMKR (35) in the Semiconductors industry, and is somewhat better than the same rating for ACLS (35) in the Electronic Production Equipment industry. This means that AMD's stock grew somewhat faster than AMKR’s and somewhat faster than ACLS’s over the last 12 months.
ACLS's P/E Growth Rating (3) in the Electronic Production Equipment industry is in the same range as AMKR (5) in the Semiconductors industry, and is in the same range as AMD (11) in the Semiconductors industry. This means that ACLS's stock grew similarly to AMKR’s and similarly to AMD’s over the last 12 months.
| ACLS | AMD | AMKR | |
|---|---|---|---|
| RSI ODDS (%) | 1 day ago 66% | 1 day ago 74% | 1 day ago 73% |
| Stochastic ODDS (%) | 1 day ago 69% | 1 day ago 76% | 1 day ago 74% |
| Momentum ODDS (%) | 1 day ago 77% | 1 day ago 84% | 1 day ago 75% |
| MACD ODDS (%) | 1 day ago 78% | 1 day ago 79% | 1 day ago 71% |
| TrendWeek ODDS (%) | 1 day ago 75% | 1 day ago 78% | 1 day ago 73% |
| TrendMonth ODDS (%) | 1 day ago 84% | 1 day ago 77% | 1 day ago 78% |
| Advances ODDS (%) | 12 days ago 84% | 5 days ago 78% | 5 days ago 74% |
| Declines ODDS (%) | 3 days ago 77% | 3 days ago 75% | 3 days ago 71% |
| BollingerBands ODDS (%) | 1 day ago 73% | 1 day ago 72% | 1 day ago 71% |
| Aroon ODDS (%) | 1 day ago 88% | 1 day ago 80% | 1 day ago 74% |
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ACLS and
Correlation & Price change
A.I.dvisor indicates that over the last year, ACLS has been closely correlated with VECO. These tickers have moved in lockstep 87% of the time. This A.I.-generated data suggests there is a high statistical probability that if ACLS jumps, then VECO could also see price increases.
| Ticker / NAME | Correlation To ACLS | 1D Price Change % | ||
|---|---|---|---|---|
| ACLS | 100% | -4.26% | ||
| VECO - ACLS | 87% Closely correlated | -5.96% | ||
| NXPI - ACLS | 71% Closely correlated | -7.24% | ||
| ADI - ACLS | 70% Closely correlated | -7.42% | ||
| QCOM - ACLS | 70% Closely correlated | -7.57% | ||
| POWI - ACLS | 70% Closely correlated | -6.41% | ||
More | ||||
AMKR and
Correlation & Price change
A.I.dvisor indicates that over the last year, AMKR has been closely correlated with RMBS. These tickers have moved in lockstep 79% of the time. This A.I.-generated data suggests there is a high statistical probability that if AMKR jumps, then RMBS could also see price increases.
| Ticker / NAME | Correlation To AMKR | 1D Price Change % | ||
|---|---|---|---|---|
| AMKR | 100% | -8.06% | ||
| RMBS - AMKR | 79% Closely correlated | -7.24% | ||
| AMAT - AMKR | 74% Closely correlated | -6.16% | ||
| MPWR - AMKR | 74% Closely correlated | -8.69% | ||
| LSCC - AMKR | 73% Closely correlated | -4.07% | ||
| ADI - AMKR | 73% Closely correlated | -7.42% | ||
More | ||||