🔴 Zscaler is trading 5.7% down in pre-market after Fortinet results and weak F5 guidance

Zscaler is trading at $241.12, down -5.74%, amid cybersecurity-sector pressure.

• No clear Zscaler-specific announcement was identified for October 28; coverage cited Fortinet’s third-quarter results, F5’s weak fiscal 2027 guidance and possible profit-taking after recent gains.
• Tech sentiment is weak after Alphabet’s earnings-related selloff; Nasdaq futures were down 1.28% in the supplied market context, amid renewed concerns about AI spending.
• Price history shows a strong run into October 28; no volume data was supplied.