Aehr Test Systems' (NASDAQ: AEHR) stock has surged nearly 180% over the past 12 months and is still only trading a few dollars below its all-time high. The producer of chip testing systems attracted a stampede of bulls with its robust post-pandemic revenue growth, rising profits, and exposure to the expanding silicon carbide market.

Is it too late to buy this red-hot small-cap stock? Below is a review of its business model, growth rates, and valuation to help you decide.

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Source Fool.com