Amphastar Pharmaceuticals Inc vs Western Digital Corp — how do they compare? Amphastar Pharmaceuticals Inc trades at $20.39 (market cap $863.95M), while Western Digital Corp trades at $447.17 (market cap $151.09B). The key difference: Western Digital Corp is far larger — about 174.9× Amphastar Pharmaceuticals Inc's market cap, and Western Digital Corp pays a 0.14% dividend while Amphastar Pharmaceuticals Inc pays none. Which is the better fit depends on your goals.
| AMPH | WDC | |
|---|---|---|
Market Cap | $863.95M | $151.09B |
Sector | Health | Technology |
52-Week High | $30.81 | $746.23 |
52-Week Low | $16.87 | $74.64 |
Enterprise Value | $1.26B | $150.56B |
Dividend Yield | — | 0.14% |
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.
WDC trades at $434.3, down 3.81% over 24 hours, with a bearish technical signal as it hovers near the pivot point of $440. The company has shown strong earnings beats in recent quarters, with Q2 2026 EPS of $3.56 surpassing the $3.31 estimate, and maintains robust profitability margins, including a net income margin of 72.95% for 2025. Revenue for 2025 was $9.52B, with a significant turnaround to net income of $1.86B from prior losses, indicating operational recovery amid high cloud demand.
The outlook is mixed, with analyst consensus strongly bullish (72.13% buy ratings) and a price target of $665.15 suggesting substantial upside, but risks include high valuation multiples like a P/E of 17.89 and EV/EBITDA of 29.99, competitive pressures in HDD storage, and recent post-earnings sell-offs due to margin concerns. Investors should weigh the growth potential from AI-driven storage demand against cyclical and valuation headwinds.
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 →Western Digital is a vertically integrated supplier of data storage solutions, spanning both hard disk drives and solid-state drives. In the HDD market it forms a practical duopoly with Seagate, and it is the largest global producer of NAND flash chips for SSDs in a joint venture with competitor Kioxia.
Read more on WDC →