Zscaler tanks 31% for worst day ever on 'prudent' guidance, sales shakeup

Zscaler has shed half its value over the last year.

# Zscaler tanks 31% for worst day ever on 'prudent' guidance, sales shakeup Zscaler has shed half its value over the last year. **Read the full article:** [CNBC](https://www.cnbc.com/2026/05/27/zscaler-zs-earnings-q3-2026.html) *This article was originally published by CNBC. MoneyWiseInc provides expert curation of the best financial content from trusted sources.*