Price movement over the last 24 hours
Amphastar Pharmaceuticals Inc vs Arm Holdings plc — how do they compare? Amphastar Pharmaceuticals Inc trades at $18.72 (market cap $826.08M), while Arm Holdings plc trades at $314.11 (market cap $345.41B). The key difference: Arm Holdings plc is far larger — about 418.1× Amphastar Pharmaceuticals Inc's market cap, and Arm Holdings plc is trading nearer its 52-week high, Amphastar Pharmaceuticals Inc nearer its low. Which is the better fit depends on your goals.
| AMPH | ARM | |
|---|---|---|
Market Cap | $826.08M | $345.41B |
Sector | Health | Technology |
52-Week High | $30.81 | $439.46 |
52-Week Low | $16.87 | $104.55 |
Enterprise Value | $1.22B | $342.26B |
Signals from Pluang's Aura AI — not financial advice
AMPH trades at $18.72, down 1.58% with bearish technical signals despite oversold RSI readings. The company reported mixed Q1 2026 results with EPS of $0.42 missing estimates of $0.70, continuing a trend of recent earnings disappointments. Valuation metrics appear reasonable with P/E of 11.29 and P/B of 1.07, while profitability remains solid with 47.34% gross margins. Recent news includes a Zacks Strong Sell rating and ongoing securities law investigation.
The stock faces near-term headwinds from earnings misses and negative analyst sentiment, though current valuations provide some downside protection. Upside potential exists if the company can execute its strategic pivot to proprietary drugs and biosimilars while managing BAQSIMI discount pressures. Key risks include ongoing legal scrutiny and competitive pressures in the generic drug market.
ARM Holdings trades at $323.39, down 1.37% over 24 hours, with a bullish technical outlook supported by moving averages and strong quarterly earnings beats. The company reported robust revenue growth to $4.01B in 2025, with net income of $792M, though valuation ratios like P/E of 380.46 reflect premium pricing. Recent news highlights ARM's role in AI infrastructure and data center expansion, driving investor optimism.
Outlook remains positive with analyst consensus favoring buy ratings (74.07%) and a $321.65 price target, but risks include high valuation sensitivity and competitive pressures in the semiconductor space. Upside potential hinges on continued AI-driven demand and execution of growth initiatives like the AGI CPU launch.
Trailing returns across standard periods
Latest headlines on both assets
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 →Arm Holdings designs the architecture for high-performance, energy-efficient processors used in nearly all smartphones and millions of other devices. Its intellectual property powers global computing from mobile to AI.
Read more on ARM →