It was a good week for EV chip stocks as leading automotive CEOs hinted a recovery could be on the horizon.Shares of electric vehicle (EV) chip stocks Axcelis Technologies (ACLS 0.15%), Coherent (COHR -1.08%), and Aehr Test Systems (AEHR 5.02%) rallied this week, up 13.2%, 15.7%, and 16.3%, respectively, through Thursday trading, according to data from S&P Global Market Intelligence.Each of these companies plays a part in the production and testing of silicon carbide (SiC) chips, a newer compound that is th ...