Compare Amphastar Pharmaceuticals Inc (AMPH) vs Quanta Services Inc (PWR) Price & Performance
Price performance (Past 24H)
Key statistics
Key statistics
Amphastar Pharmaceuticals Inc vs Quanta Services Inc — how do they compare? Amphastar Pharmaceuticals Inc trades at $20.39 (market cap $863.95M), while Quanta Services Inc trades at $672.25 (market cap $99.36B). The key difference: Quanta Services Inc is far larger — about 115× Amphastar Pharmaceuticals Inc's market cap, and Quanta Services Inc pays a 0.07% dividend while Amphastar Pharmaceuticals Inc pays none. Which is the better fit depends on your goals.
| AMPH | PWR | |
|---|---|---|
Market Cap | $863.95M | $99.36B |
Sector | Health | Industrials |
52-Week High | $30.81 | $785.24 |
52-Week Low | $16.87 | $372.50 |
Enterprise Value | $1.26B | $105.45B |
Dividend Yield | — | 0.07% |
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
Aura AI Summary
Signals from Pluang's Aura AI — not financial advice
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.
PWR trades at $671.86, up 0.6% in 24 hours, with a bullish technical signal and strong earnings beats in recent quarters. Revenue grew to $28.48B in 2025, and the company raised its 2026 outlook, supported by record backlog and infrastructure demand. Analysts show strong buy consensus with a $809.75 price target, though high valuation metrics like a P/E of 76.87 pose concerns.
The outlook is positive due to robust growth and institutional interest, but risks include elevated valuation and competitive pressures. Investment opportunity hinges on execution of raised guidance, while investors face volatility from market reactions to earnings and economic cycles.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
Top news
Latest headlines on both assets
Top news
Latest headlines on both assets
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 Quanta Services Inc
Quanta Services is a leading provider of specialty contracting services, delivering comprehensive infrastructure solutions for the electric and gas utility, communications, pipeline, and energy industries in the United States, Canada, and Australia. Quanta reports its results under two reportable segments: electric power infrastructure solutions and underground utility and infrastructure solutions. In October 2021, the company completed the acquisition of Blattner, a provider of comprehensive engineering, procurement, and construction solutions to customers in the renewable energy industry.
Read more on PWR →
