Aehr Test Systems vs Charles River Laboratories Intl. Inc — how do they compare? Aehr Test Systems trades at $129.3 (market cap $3.82B), while Charles River Laboratories Intl. Inc trades at $287.43 (market cap $13.46B). The key difference: Charles River Laboratories Intl. Inc is far larger — about 3.5× Aehr Test Systems's market cap. Which is the better fit depends on your goals.
| AEHR | CRL | |
|---|---|---|
Market Cap | $3.82B | $13.46B |
Sector | Technology | Health |
52-Week High | $129.23 | $284.37 |
52-Week Low | $17.38 | $145.57 |
Enterprise Value | $3.72B | $16.30B |
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.
Charles River Laboratories (CRL) trades at $284.37, up 2.66% today and near its 52-week high, reflecting strong bullish momentum. The stock has consistently beaten earnings estimates in recent quarters, including a Q2 2026 EPS of $3.02 versus $2.77 expected, and the company raised its full-year guidance. Despite negative net income margins, operating cash flow remains robust at $738 million in 2025. Analyst sentiment is overwhelmingly positive with 26 buy ratings and a consensus price target of $277.29.
The outlook is supported by improving biotech demand and cost controls, but high valuation multiples and recent insider selling pose risks. Earnings growth and margin expansion are key catalysts, though profitability challenges and macroeconomic sensitivity could pressure the stock. Investors should weigh strong technicals and analyst support against fundamental weaknesses and execution risks.
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 →Charles River Laboratories was founded in 1947 and is a leading provider of drug discovery and development services. The company's research model & services segment is the leading provider of animal models for laboratory testing, which breeds and delivers animal research models with specific genetic characteristics for preclinical studies around the world. The discovery & safety assessment segment includes services required to take a drug through the early development process, including discovery services. The manufacturing support segment includes microbial solutions, which provides in vitro (non-animal) testing products, biologics testing services, and avian vaccine services.
Read more on CRL →