Aehr Test Systems vs Rockwell Automation — how do they compare? Aehr Test Systems trades at $129.5 (market cap $3.82B), while Rockwell Automation trades at $446.44 (market cap $49.64B). The key difference: Rockwell Automation is far larger — about 13× Aehr Test Systems's market cap, and Rockwell Automation pays a 1.23% dividend while Aehr Test Systems pays none. Which is the better fit depends on your goals.
| AEHR | ROK | |
|---|---|---|
Market Cap | $3.82B | $49.64B |
Sector | Technology | Industrials |
52-Week High | $117.18 | $495.08 |
52-Week Low | $17.38 | $333.75 |
Enterprise Value | $3.72B | $52.77B |
Dividend Yield | — | 1.23% |
Signals from Pluang's Aura AI — not financial advice
AEHR Test Systems (AEHR) surged 25.02% to $132.77, driven by strong earnings beats and a $22 million follow-on order for AI processor wafer-level burn-in systems (Accesswire, August 12, 2026). The stock exhibits bullish technical signals with support at $112 and resistance at $129, though RSI suggests overbought conditions. Revenue reached $58.97 million in 2025, but net income remained negative at -$3.91 million, reflecting high growth investments.
Outlook is optimistic due to AI and silicon photonics demand, with FY27 revenue growth projected at 160–200% (Seeking Alpha, July 18, 2026). Risks include customer concentration and negative cash flow. Analysts are mixed (33% buy, 67% hold), highlighting valuation concerns at a P/S of 71.87. Upside potential exists if execution aligns with backlog growth.
Rockwell Automation (ROK) trades at $451.86, up 3.82% over 24 hours, with a neutral technical signal. The stock exhibits strong fundamentals, including a 49.09% gross margin and consistent earnings beats, with Q2 2026 EPS of $3.49 surpassing the $3.38 estimate. Recent news highlights AI integration in quality management systems, signaling innovation momentum. Valuation ratios are elevated, with a P/E of 41.85 and P/S of 5.6, reflecting premium pricing.
The outlook remains positive due to robust earnings performance and raised fiscal 2026 guidance, though high valuation multiples and inflation pressures pose risks. Analyst consensus is a Buy with a $507 price target, suggesting 12% upside. Key risks include cost inflation and competitive threats in industrial automation.
Trailing returns across standard periods
Latest headlines on both assets
Aehr Test Systems provides testing and burn-in solutions for the semiconductor industry. Its systems ensure the reliability of AI processors, data center chips, and electric vehicle components at the wafer and package levels.
Read more on AEHR →Rockwell Automation is a pure-play automation competitor that is the successor entity to Rockwell International, which spun off its former Rockwell Collins avionics segment in 2001. As of fiscal 2021, the firm operates through three segments--intelligent devices, software and control, and lifecycle services. Intelligent devices contains its drives, sensors, and industrial components, software and control contains its information and network and security software, while lifecycle services contains its consulting and maintenance services as well as its Sensia JV with Schlumberger.
Read more on ROK →