Why Aehr Test Systems Plunged Today

Aehr Test Systems (NASDAQ:AEHR) shares are trading lower on Monday in sympathy with ON Semiconductor (NASDAQ:ON), which fell after reporting third-quarter results and issuing weak guidance.

What To Know: ON Semiconductor posted third-quarter earnings before the open of the market on Monday. The company reported quarterly earnings of $1.39 per share which beat the analyst consensus estimate of $1.34, a 4.14% decrease over earnings of $1.45 per share from the same period last year.