Stocks making big moves yesterday: HighPeak Energy, Zscaler, Halliburton, Viasat, and CrowdStrike

Barchart·05/28/2026 08:06:32

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Check out the companies making headlines yesterday:

HighPeak Energy (NASDAQ:HPK): Oil and gas producer HighPeak Energy (NASDAQ:HPK) fell by 3% on Wednesday after WTI crude collapsed 4.7% to $92.94 on Iran-US peace deal progress. See our full article here.

Is now the time to buy HighPeak Energy? Access our full analysis report here, it’s free.

Zscaler (NASDAQ:ZS): Cloud security platform Zscaler (NASDAQ:ZS) fell by 31.5% on Wednesday after the company reported its fiscal Q3 2026 results in a classic case of a clean beat being overwhelmed by a pair of disclosures buried below the headline numbers. See our full article here.

Is now the time to buy Zscaler? Access our full analysis report here, it’s free.

Halliburton (NYSE:HAL): Oilfield services company Halliburton (NYSE:HAL) fell by 3.8% on Wednesday after WTI crude oil plunged on Iran-US peace deal progress and renewed hopes for reopening the Strait of Hormuz. See our full article here.

Is now the time to buy Halliburton? Access our full analysis report here, it’s free.

Viasat (NASDAQ:VSAT): Global satellite communications provider Viasat (NASDAQ:VSAT) rose by 4.2% on Wednesday after the company, along with Intelsat General Communications, secured a major contract from the U.S. Space Force. See our full article here.

Is now the time to buy Viasat? Access our full analysis report here, it’s free.

CrowdStrike (NASDAQ:CRWD): Cybersecurity platform provider CrowdStrike (NASDAQ:CRWD) fell by 4% on Wednesday after peer, Zscaler, reported fiscal Q3 2026 earnings the prior evening, which featured a top-and-bottom-line beat but clouded by rising memory, storage, and processor costs, as well as turnover in its sales department. See our full article here.

Is now the time to buy CrowdStrike? Access our full analysis report here, it’s free.

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