ACM Research Inc vs Amphastar Pharmaceuticals Inc — how do they compare? ACM Research Inc trades at $80.23 (market cap $5.53B), while Amphastar Pharmaceuticals Inc trades at $20.39 (market cap $863.95M). The key difference: ACM Research Inc is far larger — about 6.4× Amphastar Pharmaceuticals Inc's market cap, and ACM Research Inc is trading nearer its 52-week high, Amphastar Pharmaceuticals Inc nearer its low. Which is the better fit depends on your goals.
| ACMR | AMPH | |
|---|---|---|
Market Cap | $5.53B | $863.95M |
Sector | Technology | Health |
52-Week High | $126.89 | $30.81 |
52-Week Low | $23.92 | $16.87 |
Enterprise Value | $4.44B | $1.26B |
Signals from Pluang's Aura AI — not financial advice
ACMR trades at $83.80, up 6.1% in the last session, with strong technical momentum above key support at $77. Recent Q2 2026 earnings beat expectations with EPS of $0.61 versus $0.42 expected, while revenue grew 36% year-over-year. The company raised 2026 guidance amid accelerating orders and new product expansion, supporting a bullish analyst consensus with 80% buy ratings and a $127.50 price target.
Outlook remains positive given earnings momentum and raised guidance, but risks include high valuation (P/E 37.5), margin pressure from rising expenses, and dependence on semiconductor cycle. The stock offers growth exposure but requires monitoring of execution against elevated expectations.
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
ACM Research develops and manufactures semiconductor process equipment, specializing in wafer cleaning and electroplating solutions. Its tools are used by global chipmakers to improve productivity and yield for logic and memory chips.
Read more on ACMR →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 →