Aehr Test Systems Struggles Amid Market Volatility Aehr Test Systems' stock has dropped 44.86% year-to-date, hitting a 52-week low of $8.56. The company’s Q2 FY2025 revenue fell 37% year-over-year. Despite the challenges, Aehr has reaffirmed its full-year guidance, projecting revenue of at least $70 million, slightly below analyst expectations.56