Aehr Test Systems vs Quanta Services Inc — how do they compare? Aehr Test Systems trades at $129 (market cap $3.82B), while Quanta Services Inc trades at $679 (market cap $100.82B). The key difference: Quanta Services Inc is far larger — about 26.4× Aehr Test Systems's market cap, and Quanta Services Inc pays a 0.07% dividend while Aehr Test Systems pays none. Which is the better fit depends on your goals.
| AEHR | PWR | |
|---|---|---|
Market Cap | $3.82B | $100.82B |
Sector | Technology | Industrials |
52-Week High | $117.18 | $785.24 |
52-Week Low | $17.38 | $372.50 |
Enterprise Value | $3.72B | $106.91B |
Dividend Yield | — | 0.07% |
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.
PWR trades at $677.91, up 2.58% today, with strong technical momentum above key support at $664. The company demonstrates robust fundamentals with Q2 2026 EPS of $4.24 beating expectations by 28%, revenue growth accelerating to $28.48B in 2025, and a record backlog supporting raised 2026 guidance. Analyst sentiment remains overwhelmingly positive with 72% buy ratings and a $809.75 consensus target.
PWR offers compelling growth exposure to infrastructure demand, particularly in power and data centers, but faces valuation concerns with a P/E of 76.7x. Near-term risks include execution on large projects and macroeconomic sensitivity, while institutional accumulation and strong cash flow generation support the bullish thesis.
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 →Quanta Services is a leading provider of specialty contracting services, delivering comprehensive infrastructure solutions for the electric and gas utility, communications, pipeline, and energy industries in the United States, Canada, and Australia. Quanta reports its results under two reportable segments: electric power infrastructure solutions and underground utility and infrastructure solutions. In October 2021, the company completed the acquisition of Blattner, a provider of comprehensive engineering, procurement, and construction solutions to customers in the renewable energy industry.
Read more on PWR →