Shares of Aehr Test Systems (NASDAQ: AEHR) rallied again this week, rising 13.3% through Thursday trading at 1:38 p.m. ET, according to data provided by S&P Global Market Intelligence.

Aehr is a small company, but it's showing big-time growth. The company makes test and burn-in semiconductor equipment for silicon carbide chips, and silicon carbide is all the rage these days. That's because this material is especially useful for power semiconductors that operate at either high temperatures or voltages. Thus, silicon carbide is taking off as the electric vehicle (EV) industry begins its exponential growth curve.

This week, Aehr announced a new customer win and continued riding the momentum of a big analyst upgrade from late last week.

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Source Fool.com