Cloudflare Surges 9% on OpenAI Security Partnership, Zscaler Rises 3%
Yahoo Finance · Sep 9, 2026 · Cloudflare Inc (NET)
A security partnership with OpenAI sent Cloudflare shares surging while cybersecurity giants CrowdStrike and Palo Alto sat out the rally entirely, raising a pointed question about which AI security narrative investors actually believe.
Not investment advice. Cached headline, not a full reprint.