On July 15, Aehr Test Systems surged 29.4% overnight, trading at $93.06/share, with turnover of $50,000. The rally was driven by a strong Q4 earnings report combined with accelerating AI chip testing order momentum.

The company reported adjusted EPS of $0.11, dramatically surpassing the consensus estimate of -$0.01, while revenue of $18.835 million also exceeded the $18.686 million estimate. Beyond the earnings beat, the company received a follow-on production order in June for a fully automated FOX-XP wafer-level burn-in system from a major data center optical transceiver supplier. Management disclosed that a top-tier AI chip customer completed over six months of benchmark testing, significantly strengthening expectations for subsequent large-scale orders. The convergence of fundamental outperformance and order catalysts propelled the stock sharply higher.

Aehr Test Systems is a leading provider of semiconductor wafer-level test, burn-in, and stabilization solutions, with products widely deployed across AI data centers, electric vehicles, and optical communications.

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