Fastly is trading at $25.51, down 6.97% as it reverses part of Monday’s AI-security-driven advance; no new company announcement directly explaining the current decline was identified.

  • Monday’s 14.92% advance to $27.42 on September 21 followed the launch of AI Firewall, AI Runtime Control, and new API Security capabilities.
  • Investor Day webcast scheduled for September 22 at 1:00 p.m. EDT.