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Compare Amphastar Pharmaceuticals Inc (AMPH) vs Monolithic Power Systems Inc (MPWR) Price & Performance

Amphastar Pharmaceuticals Inc
Monolithic Power Systems Inc

Price performance

Price movement over the last 24 hours

Key statistics

Amphastar Pharmaceuticals Inc vs Monolithic Power Systems Inc — how do they compare? Amphastar Pharmaceuticals Inc trades at $18.72 (market cap $826.08M), while Monolithic Power Systems Inc trades at $1,315 (market cap $66.46B). The key difference: Monolithic Power Systems Inc is far larger — about 80.5× Amphastar Pharmaceuticals Inc's market cap, and Monolithic Power Systems Inc pays a 0.59% dividend while Amphastar Pharmaceuticals Inc pays none. Which is the better fit depends on your goals.

AMPHMPWR
Market Cap
$826.08M$66.46B
Sector
HealthUtilities
52-Week High
$30.81$1.69K
52-Week Low
$16.87$711.24
Enterprise Value
$1.22B$65.11B
Dividend Yield
0.59%

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.

Monolithic Power Systems Inc

MPWR trades at $1,352.74, down 1.56% over 24 hours, with a bullish technical signal from moving averages and neutral oscillators. The company demonstrates strong profitability with a 22.98% net income margin and consistent earnings beats in recent quarters. Analyst sentiment is overwhelmingly positive with 88% buy ratings and a consensus price target of $1,760. Recent news highlights ongoing investigations into corporate governance alongside positive coverage of AI infrastructure growth opportunities.

The outlook for MPWR remains favorable given its earnings momentum and positioning in AI and power management semiconductors. Key opportunities include expanding demand in data centers and telecom, while risks involve high valuation multiples and corporate governance scrutiny. The stock offers growth potential but requires monitoring of execution against elevated expectations.

Returns comparison

Trailing returns across standard periods

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 Monolithic Power Systems Inc

Monolithic Power Systems, Inc. is a global leader in high-performance, analog, and mixed-signal semiconductors. The company specializes in power management solutions, providing integrated circuits (ICs) for a wide range of applications, including computing, automotive, industrial, and communications. MPWR's proprietary process technology is designed to deliver highly energy-efficient and compact power solutions, positioning the company as a key supplier for the next generation of electronic devices.

Read more on MPWR