Aehr Test Systems vs Monolithic Power Systems Inc — how do they compare? Aehr Test Systems trades at $131.62 (market cap $3.82B), while Monolithic Power Systems Inc trades at $1,440.01 (market cap $68.90B). The key difference: Monolithic Power Systems Inc is far larger — about 18× Aehr Test Systems's market cap, and Monolithic Power Systems Inc pays a 0.57% dividend while Aehr Test Systems pays none. Which is the better fit depends on your goals.
| AEHR | MPWR | |
|---|---|---|
Market Cap | $3.82B | $68.90B |
Sector | Technology | Utilities |
52-Week High | $117.18 | $1.69K |
52-Week Low | $17.38 | $820.74 |
Enterprise Value | $3.72B | $67.51B |
Dividend Yield | — | 0.57% |
Signals from Pluang's Aura AI — not financial advice
AEHR Test Systems stock trades at $129.70, up 22.13% in the past 24 hours, with a bullish technical signal from moving averages and strong momentum. Recent earnings beats and a $22 million AI processor order (Accesswire, August 12, 2026) highlight growth potential, though negative net income margins and high P/S of 71.87 reflect valuation concerns amid rapid revenue expansion.
Outlook is mixed: strong AI-driven demand and record bookings support upside, but profitability challenges, insider selling, and customer concentration pose risks. Analyst consensus is cautious with 33% buy ratings, indicating tempered optimism despite technical strength.
MPWR is trading at $1,446.91, up 4.77% in the last 24 hours, with a bullish technical signal and strong earnings momentum after beating Q2 2026 estimates. The stock shows robust fundamentals with a 24.5% net income margin and 21.98% ROE, though valuation ratios like P/E of 85.55 are elevated. Recent news highlights AI-driven revenue growth and a legal investigation into potential misleading statements.
The outlook is positive with an 88% analyst buy rating and a $1,870 consensus price target, but risks include high valuation sensitivity, competitive pressures, and legal scrutiny. Earnings growth from AI infrastructure demand remains a key catalyst for upside.
Trailing returns across standard periods
Latest headlines on both assets
Aehr Test Systems provides testing and burn-in solutions for the semiconductor industry. Its systems ensure the reliability of AI processors, data center chips, and electric vehicle components at the wafer and package levels.
Read more on AEHR →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 →