Why Is Aehr Test Systems $AEHR Stock Down -11.14% Today? (Find out why any stock moved today on Tickeron.) • $AEHR shares fell roughly 11.14% in early trading on Monday, September 14, 2026, extending a period of extreme volatility. • The decline followed a sharp profit-taking pullback after a parabolic 2026 rally that carried the stock up more than 300% year-to-date. • Valuation concerns resurfaced as analysts highlighted the stock's rich multiples relative to its still-modest revenue base. • Broader semiconductor and AI-chip weakness weighed on the stock, with major chip names trading lower in sympathy. • Elevated short interest and a high beta are amplifying intraday swings in both directions. • Traders are watching the company's next earnings report and any updates on its AI processor and silicon photonics orders. $PLAB $AMKR $ACMR $AXTI $FORM $ONTO $ACLS