Millennium Management LLC increased its holdings in shares of Aehr Test Systems by 0.8% during the fourth quarter. KBC Group NV acquired a new stake in Aehr Test Systems in the first quarter worth about $30,000. Read Our Latest Analysis on Aehr Test SystemsAehr Test Systems Stock PerformanceShares of NASDAQ:AEHR opened at $65.40 on Thursday. Aehr Test Systems Profile(Free Report)Aehr Test Systems develops, manufactures and sells semiconductor test and burn-in equipment used by device manufacturers to ensure quality and reliability of integrated circuits. See AlsoReceive News & Ratings for Aehr Test Systems Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Aehr Test Systems and related companies with MarketBeat.com's FREE daily email newsletter.