One day after really taking it on the chin from the stock market, cybersecurity companies bounced back convincingly on Thursday. Zscaler (NASDAQ: ZS) and Cloudflare (NYSE: NET) both zoomed to close more than 5% higher, while Palo Alto Networks (NASDAQ: PANW) rose by almost 3%. All three handily beat the 0.9% increase of the S 500 index on the day.

It's often been said that securities markets tend to overshoot and overreact on impactful news, and that very much appears to have been the case with the cybersecurity companies.

Wednesday's sell-off was entirely understandable, though; it was a very bearish reaction to the news that (NASDAQ: MSFT) plans to compete in the crucial secure service edge (SSE) segment of the cybersecurity market.

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Source Fool.com