Fortinet just dropped its Q3 2026 scorecard and the market did not like it. The stock shed about 20% in a single session, sliding to around US$139, even though the company posted roughly US$2.08b in quarterly revenue and about US$0.87 in basic earnings per share. For a cybersecurity heavyweight that trades on premium expectations, this looks less like a collapse in the business and more like a sentiment reset as investors rethink how much they are willing to pay for that growth profile.

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Q3 2026 Earnings Summary

• Revenue (Q3 2026…