Aehr Test Systems vs Core and Main Inc — how do they compare? Aehr Test Systems trades at $128.45 (market cap $4.21B), while Core and Main Inc trades at $46.18 (market cap $8.62B). The key difference: Core and Main Inc is far larger — about 2× Aehr Test Systems's market cap, and Aehr Test Systems is trading nearer its 52-week high, Core and Main Inc nearer its low. Which is the better fit depends on your goals.
| AEHR | CNM | |
|---|---|---|
Market Cap | $4.21B | $8.62B |
Sector | Technology | Technology |
52-Week High | $129.23 | $66.98 |
52-Week Low | $17.38 | $42.37 |
Enterprise Value | $4.11B | $10.92B |
Signals from Pluang's Aura AI — not financial advice
Aehr Test Systems (AEHR) trades at $129.23, up 21.69% in the last 24 hours, reflecting strong momentum. The stock is technically bullish, trading near resistance at $129, with a high RSI suggesting potential overbought conditions. Fundamentally, the company reported a net loss of $3.91 million for 2025, but has beaten EPS estimates for three consecutive quarters. Recent news highlights a $22 million follow-on order for AI processor wafer-level burn-in systems, signaling robust demand in high-growth sectors.
The outlook is supported by record bookings and a strategic pivot to AI infrastructure, though high valuation multiples and insider selling pose risks. Revenue growth guidance of 160-200% for FY27 offers significant upside potential, but investor caution is warranted due to customer concentration and current unprofitability.
Core & Main (CNM) trades at $46.06, down 0.52% on the day, with a bullish technical signal despite mixed moving averages. The company reported strong earnings beats in recent quarters, with Q1 2026 EPS of $0.57 exceeding expectations. Financials show solid profitability with a 5.87% net income margin and 23.73% ROE, though debt levels remain elevated. Recent news includes institutional position adjustments and a $750 million senior notes offering priced in June 2026.
Outlook is cautiously optimistic with analyst consensus favoring Buy ratings (57%). Key opportunities include margin expansion and municipal strength, while risks involve high debt, competitive pressures, and reliance on infrastructure spending. The stock's valuation at a P/E of 19.76 appears reasonable given growth prospects, but investors should monitor execution against FY26 revenue guidance of $7.8–7.9 billion.
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 →Core & Main is a leading US distributor of water, wastewater, storm drainage, and fire protection products. It provides essential infrastructure solutions to municipalities, private water companies, and contractors.
Read more on CNM →