Shares of cloud security platform Zscaler (NASDAQ:ZS) jumped 4.7% in the afternoon session after investors appeared to buy the dip amid heightened uncertainty triggered by resurgent inflation fears and escalating geopolitical tensions.

When an entire sector gets beaten down, even modest buying pressure can create outsized moves as short sellers cover and value buyers step in. Following double-digit declines across most names, the rebound suggests investors are shifting from blind fear to a more nuanced view as they monitor the market for "AI Winners.".

After the initial pop the shares cooled down to $153.66, up 3.1% from previous close.

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Zscaler’s shares are quite volatile and have had 17 moves greater than 5% over the last year. In that context, today’s move indicates the market considers this news meaningful but not something that would fundamentally change its perception of the business.

The previous big move we wrote about was 4 days ago when the stock dropped 14.9% on the news that the company reported mixed fourth quarter results. Sales and earnings per share came in ahead of expectations during the quarter. In addition, Zscaler provided optimistic EPS guidance for the next quarter, which blew past analysts' expectations, and its full-year EPS guidance trumped Wall Street's estimates. On the other hand, all-important billings (sometimes referred to as cash revenue) missed fairly significantly. To add onto the uncertainty, management broke out some of the financial contribution from Red Canary, a recent acquisition. While performance of the target is strong, it suggests that ZS standalone organic net new ARR (annual recurring revenue) growth could be tepid. This billings miss and uncertainty around organic growth weighed on shares, and the stock traded down.

Zscaler is down 30.3% since the beginning of the year, and at $153.66 per share, it is trading 54.3% below its 52-week high of $336.27 from November 2025. Investors who bought $1,000 worth of Zscaler’s shares 5 years ago would now be looking at an investment worth $818.08.

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