Aehr Test Systems (AEHR -26.52%) stock is seeing huge sell-offs in Tuesday's trading. The company's share price was down 25.5% as of 11:35 a.m. ET. Meanwhile, the S&P 500 index was flat and the Nasdaq Composite index was down 0.1%.After the market closed yesterday, Aehr published results for the second quarter of its current fiscal year -- which ended Nov. 29. In addition to sales and earnings performance for the period coming in below expectations, the company also issued forward guidance that disappointed ...