Aehr Test Systems Shares Surge 15% on Major AI Chip Testing Order

Aehr Test Systems (AEHR) shares jumped more than 15% in premarket trading following the announcement of a significant purchase order for its Sonoma test and burn-in systems. The order is specifically designed for next-generation AI chips destined for a major hyperscale data center operator. This contract marks a critical milestone for the company as it expands its footprint into the rapidly growing artificial intelligence semiconductor market. Investors welcomed the news as a validation of Aehr's technology pivot, especially following recent analyst downgrades. While the delivery timeline extends into 2026, the deal provides a robust long-term growth outlook for the semiconductor equipment manufacturer. The positive momentum also reflects broader interest in AI infrastructure components within the semiconductor sector.