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Compare Amphastar Pharmaceuticals Inc (AMPH) vs American Superconductor Corporation (AMSC) Price & Performance

Amphastar Pharmaceuticals IncTrade
American Superconductor CorporationTrade

Price performance (Past 24H)

Key statistics

Amphastar Pharmaceuticals Inc vs American Superconductor Corporation — how do they compare? Amphastar Pharmaceuticals Inc trades at $19.38 (market cap $826.08M), while American Superconductor Corporation trades at $35.18 (market cap $1.74B). The key difference: American Superconductor Corporation is far larger — about 2.1× Amphastar Pharmaceuticals Inc's market cap. Which is the better fit depends on your goals.

AMPHAMSC
Market Cap
$826.08M$1.74B
Sector
HealthTechnology
52-Week High
$30.81$66.68
52-Week Low
$16.87$25.95
Enterprise Value
$1.22B$1.61B

Aura AI Summary

Signals from Pluang's Aura AI — not financial advice

Amphastar Pharmaceuticals Inc

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.

American Superconductor Corporation

AMSC trades at $35.96, down 3.26% today amid bearish technical signals. The stock shows strong fundamentals with recent earnings beats and robust profitability metrics including 44.73% net margin and 35.56% ROE. Revenue grew 34% year-over-year to $299.2 million in 2025, though cash flow trends show negative net cash flow of -$6.9M. Analyst sentiment remains positive with 53% buy ratings despite recent insider selling activity.

The outlook remains cautiously optimistic given strong order backlog growth of 40% and expanding role in AI energy infrastructure. Key risks include valuation concerns at 66.72x EV/EBITDA and acquisition-driven growth versus organic expansion. Earnings momentum and grid technology positioning provide upside potential if execution continues.

Returns comparison

Trailing returns across standard periods

About Amphastar Pharmaceuticals Inc

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

About American Superconductor Corporation

AMSC provides energy technology solutions for smarter and cleaner power grids. It offers wind turbine electronic controls and advanced grid systems that enhance the reliability and efficiency of renewable energy networks.

Read more on AMSC