Amphastar Pharmaceuticals Inc vs Flux Power Holdings Inc — how do they compare? Amphastar Pharmaceuticals Inc trades at $19.41 (market cap $826.08M), while Flux Power Holdings Inc trades at $0.72 (market cap $16.65M). The key difference: Amphastar Pharmaceuticals Inc is far larger — about 49.6× Flux Power Holdings Inc's market cap, and Amphastar Pharmaceuticals Inc is trading nearer its 52-week high, Flux Power Holdings Inc nearer its low. Which is the better fit depends on your goals.
| AMPH | FLUX | |
|---|---|---|
Market Cap | $826.08M | $16.65M |
Sector | Health | Utilities |
52-Week High | $30.81 | $6.66 |
52-Week Low | $16.87 | $0.73 |
Enterprise Value | $1.22B | $22.81M |
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.
FLUX trades at $0.7765, up 0.36% today, but technical indicators show a bearish trend with moving averages signaling sell. The company reported a net loss of $6.67 million in 2025, with revenue declining to $51 million in 2026, though it maintains a low P/S ratio of 0.29. Recent news highlights the launch of SkyEMS 3.0 AI software, aiming to boost operational efficiency for fleet customers.
Despite unanimous analyst buy ratings, FLUX faces significant profitability challenges with negative ROE and net margins. Investment appeal hinges on revenue stabilization and cost management, but high execution risk and cash flow volatility warrant caution for stock investors.
Trailing returns across standard periods
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 →Flux Power designs and manufactures lithium-ion battery packs for industrial vehicles. Its sustainable energy solutions power material handling equipment like forklifts and airport ground support vehicles.
Read more on FLUX →