Zscaler Inc. (ZS) saw its stock price plummet 25.93% during intraday trading on Wednesday. The sharp decline followed the cybersecurity company's release of its fiscal third-quarter earnings, which, while beating expectations, were overshadowed by a disappointing forward-looking outlook.

The sell-off was primarily triggered by Zscaler's fourth-quarter revenue guidance, which came in below Wall Street estimates. The company also significantly reduced its fiscal year 2026 free cash flow margin outlook. Furthermore, challenges in attracting new customers and the disclosure of executive personnel changes contributed to investor caution.

Analysts noted that intensifying competition in the cybersecurity market, as enterprises scrutinize spending on cloud security products, added pressure on Zscaler's growth prospects. This combination of factors led to a rapid reassessment of the stock's value by the market.