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The Kroger supermarket chain's headquarters is shown in Cincinnati, Ohio.

Check out the companies making headlines in midday trading Friday.

Zscaler — Zscaler surged 21.9% after reporting strong earnings in its most recent quarter. The company posted adjusted earnings of 25 cents per share on $318 million in revenue. Analysts surveyed by Refinitiv were expecting earnings of 20 cents per share on revenues of $305 million.

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