SweetBunFactory Prelude I initiated coverage of Aehr Test Systems (NASDAQ:AEHR) in December 2023 with a Strong Buy rating, which has shaped up to be one of my worst recommendations since joining Seeking Alpha. For a primer on Aehr's business and competitive advantage, I suggest reading that article. In short, Aehr provides semiconductor test systems that test entire wafers instead of specific chips. They also have a unique Contactor product, similar to a probe card, that can be automated with the Aligner pr ...