CarMax, Inc vs Monolithic Power Systems Inc — how do they compare? CarMax, Inc trades at $58.26 (market cap $7.93B), while Monolithic Power Systems Inc trades at $1,373.05 (market cap $65.28B). The key difference: Monolithic Power Systems Inc is far larger — about 8.2× CarMax, Inc's market cap, and Monolithic Power Systems Inc pays a 0.6% dividend while CarMax, Inc pays none. Which is the better fit depends on your goals.
| KMX | MPWR | |
|---|---|---|
Market Cap | $7.93B | $65.28B |
Sector | Consumer Cyclical | Utilities |
52-Week High | $63.53 | $1.69K |
52-Week Low | $30.88 | $711.24 |
Enterprise Value | $26.44B | $63.94B |
Dividend Yield | — | 0.6% |
Signals from Pluang's Aura AI — not financial advice
CarMax (KMX) trades at $55.89, down 2.51% on the day, with a bullish technical signal from moving averages but a neutral stance from oscillators. The company reported mixed earnings, with a Q2 2025 miss but subsequent beats in Q3 2025 and Q1 2026. Revenue has trended down from $31.9B in 2022 to $26.35B in 2025, though net income margin improved slightly to 1.89%. Recent news highlights a strategic turnaround under new CEO Keith Barr, with insider buying and positive analyst updates despite an ongoing legal investigation.
The outlook for KMX hinges on successful execution of its four-pillar strategy to boost volume and efficiency, offering potential upside if targets are met. However, high debt levels, margin pressure, and legal scrutiny pose significant risks. Analyst consensus is cautious with a hold-heavy rating and a price target of $48.91 below the current price, indicating skepticism about near-term growth.
MPWR trades at $1,328.80, up 1.28% with a bearish technical signal despite recent earnings beats. The stock shows strong fundamentals with a 22.98% net margin and robust cash flow, but carries high valuation multiples like a P/E of 93.92. Analyst consensus is overwhelmingly bullish with an $1,810 price target, though news includes both AI infrastructure optimism and legal investigations.
Outlook remains positive given earnings momentum and AI-driven demand, but risks include stretched valuations and ongoing legal scrutiny. The stock offers growth exposure but requires monitoring of execution and market sentiment shifts.
Trailing returns across standard periods
CarMax sells, finances, and services used and new cars through a chain of over 230 used retail stores. It was formed in 1993 as a unit of Circuit City and spun off into an independent company in late 2002. Used-vehicle sales typically account for about 83% of revenue and wholesale about 13%, with the remaining portion composed of extended service plans and repair. In fiscal 2022, the company retailed and wholesaled 924,338 and 706,212 used vehicles, respectively. CarMax is the largest used-vehicle retailer in the U.S. but still estimates that it has only about 4% U.S. market share of vehicles 0-10 years old in 2021. It seeks over 5% share by the end of calendar 2025 and revenue between $33 billion to $45 billion by fiscal 2026. CarMax is based in Richmond, Virginia.
Read more on KMX →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 →