Aehr Test Systems vs Amphastar Pharmaceuticals Inc — how do they compare? Aehr Test Systems trades at $118 (market cap $3.46B), while Amphastar Pharmaceuticals Inc trades at $20.39 (market cap $863.95M). The key difference: Aehr Test Systems is far larger — about 4× Amphastar Pharmaceuticals Inc's market cap, and Aehr Test Systems is trading nearer its 52-week high, Amphastar Pharmaceuticals Inc nearer its low. Which is the better fit depends on your goals.
| AEHR | AMPH | |
|---|---|---|
Market Cap | $3.46B | $863.95M |
Sector | Technology | Health |
52-Week High | $116.58 | $30.81 |
52-Week Low | $17.38 | $16.87 |
Enterprise Value | $3.36B | $1.26B |
Signals from Pluang's Aura AI — not financial advice
AEHR Test Systems trades at $103.07, up 3.34% with strong technical momentum and bullish moving average signals. The company shows improving earnings trends with three consecutive quarterly beats, though profitability remains negative with a -14.25% net margin. Recent news highlights significant silicon photonics orders and a strategic pivot toward AI infrastructure, driving investor optimism despite insider selling activity.
Outlook remains growth-focused with FY27 revenue guidance of 160-200% expansion, though high valuation (P/S 65.13) and customer concentration pose risks. Analyst consensus leans neutral with 33% buy ratings, while technical indicators suggest near-term support at $97 with resistance at $107. The stock's AI-driven backlog expansion supports bullish sentiment despite current negative cash flow.
AMPH trades at $20.78, up 4.9% today, with a bullish technical signal supported by moving averages. The stock shows mixed earnings performance with Q2 2026 beating estimates but Q1 and Q4 2025 missing. Fundamentals remain solid with a 10.76% net margin and reasonable valuation at 12.02 P/E. Recent news highlights Q2 2026 results and strategic shift toward proprietary drugs.
Outlook is cautiously optimistic with growth supported by new product launches, though regulatory risks and earnings volatility pose challenges. Analyst sentiment is mixed with 25% buy ratings but majority hold recommendations. The stock offers value but requires monitoring of FDA developments and earnings consistency.
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 →Amphastar is a specialty pharmaceutical company that develops and markets injectable, intranasal, and inhalation products. Its portfolio includes both complex generic drugs and proprietary delivery systems.
Read more on AMPH →