Fortinet is trading at $172.47 (-5.19%) at 9:45 a.m. ET on October 16, amid pressure on cybersecurity shares. - No clear Fortinet-specific announcement explaining the drop surfaced in the search. Cybersecurity shares have faced valuation concerns and reported OpenAI interest in acquiring a security startup. - Hotter inflation and renewed interest-rate worries are weighing on technology stocks; the Nasdaq is down 0.56% in the supplied market context.