AI Test Stocks Surge 800% in Short Term... Up 9% Today

AEHR Test Systems (NASDAQ: AEHR) continued its short-term rally on June 17, closing at $114.10—up 8.84%—approximately KRW 160,000. With over 1.56 million shares traded, its market capitalization swelled to about $3.6 billion (roughly KRW 5 trillion), adding around $350 million (KRW 500 billion) in a single day.

On the same day, the company announced it had secured additional follow-on production orders for its fully automated FOX-XP wafer-level burn-in system for AI semiconductors, fueling expectations for expanded AI testing demand.

Two days earlier, on June 15, the stock hit an all-time intraday high of $123.26. AEHR has been aggressively ramping up orders and financing, having secured a record AI-chip test order worth about $41 million (KRW 60 billion) from a lead AI customer and completed an at-the-market equity raise of approximately $60 million (KRW 80 billion).

Founded in 1977 and based in Fremont, California, AEHR Test Systems is a semiconductor test-equipment provider offering wafer- and package-level burn-in solutions for high-power, high-performance chips, including AI processors, silicon carbide power semiconductors, and silicon photonics.

Although the stock has surged roughly 800% over the past year, the company’s performance remains under scrutiny: revenue over the last 12 months declined by the high-20% range, and another loss is expected this year, prompting debate over its lofty valuation.