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Deep & Emerging Tech·September 15, 2026·1 min read

Cybersecurity stocks were the top performers in the S&P 500 on Monday amid escalating AI fears; CrowdStrike rose 14%, Palo Alto Networks 13%, and Fortinet 9%

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AI fear is now a revenue story for security vendors—CrowdStrike, Palo Alto Networks, and Fortinet ripping double digits in a day means boards are bracing for AI-driven threat surfaces. Expect budget to tilt toward detection, identity, and model/data protection, even if your core business isn’t “AI-first.”