Compare Amphastar Pharmaceuticals Inc (AMPH) vs Quest Diagnostics Inc (DGX) Price & Performance
Price performance
Price movement over the last 24 hours
Key statistics
Key statistics
Amphastar Pharmaceuticals Inc vs Quest Diagnostics Inc — how do they compare? Amphastar Pharmaceuticals Inc trades at $18.72 (market cap $826.08M), while Quest Diagnostics Inc trades at $207.44 (market cap $22.96B). The key difference: Quest Diagnostics Inc is far larger — about 27.8× Amphastar Pharmaceuticals Inc's market cap, and Quest Diagnostics Inc pays a 1.66% dividend while Amphastar Pharmaceuticals Inc pays none. Which is the better fit depends on your goals.
| AMPH | DGX | |
|---|---|---|
Market Cap | $826.08M | $22.96B |
Sector | Health | Health |
52-Week High | $30.81 | $216.02 |
52-Week Low | $16.87 | $166.42 |
Enterprise Value | $1.22B | $28.98B |
Dividend Yield | — | 1.66% |
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 $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.
Quest Diagnostics (DGX) trades at $207.44, down 0.29% today, with a bullish technical signal and consistent earnings beats in recent quarters. The company reported $11.04B revenue in 2025 with a 9.08% net margin, supported by strong cash flow from operations of $1.89B. Recent news highlights expansion of oncology testing services, including New York State approval for Haystack MRD, enhancing its diagnostic portfolio.
DGX offers steady growth with a consensus price target of $226, implying 9% upside. Risks include rising debt levels and healthcare policy uncertainties, but analyst sentiment leans positive with 38% buy ratings. The stock's valuation at a P/E of 22.92 appears reasonable given its profitability and market position.
Returns comparison
Trailing returns across standard periods
Returns comparison
Trailing returns across standard periods
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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 Quest Diagnostics Inc
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the U.S. The company generates over 95% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,300 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk assessment services, and information technology solutions.
Read more on DGX →
