Check out the companies making headlines in extended trading. Hewlett Packard Enterprise — Shares tanked 17% in extended trading. Hewlett Packard Enterprise issued weak guidance for the fiscal second quarter, calling for adjusted earnings to range from 28 cents to 34 cents per share on revenue between $7.2 billion and $7.6 billion. Analysts polled by FactSet sought 50 cents per share in earnings and revenue of $7.92 billion. The company also announced a cost reduction program, which includes plans for layoffs . Samsara — The industrial “Internet of Things” stock slid 4%. Samsara issued first-quarter guidance that was largely in line with Wall Street’s expectations, calling for adjusted earnings of 5 cents to 6 cents per share on revenue of $350 million to $352 million. Analysts polled by LSEG sought 5 cents per share in earnings and revenue of $351 million. Gap — Shares surged 15% as the clothing retailer trounced Wall Street’s estimates in its fiscal fourth quarter. Gap posted earnings of 54 cents a share on revenue of $4.15 billion, while analysts polled by LSEG were looking for 37 cents per share in earnings and $4.07 billion in revenue. Same-store sales grew 3%, topping the 1% anticipated by analysts surveyed by StreetAccount. Broadcom — The chip stock gained 17% after the company’s fiscal first-quarter results surpassed analyst estimates on the top and bottom lines. Broadcom also issued rosy guidance for the current quarter. The company forecasts second-quarter revenue of $14.9 billion while analysts polled by LSEG forecast $14.76 billion. BigBear.ai — Stock in the artificial intelligence analytics company slipped more than 12% after the firm warned that it could see a disruption of federal contracts . Cooper Cos — The medical device stock declined nearly 7% after the company’s fiscal first-quarter revenue missed Wall Street’s estimate. Cooper reported revenue of $964.7 million, while analysts polled by FactSet were looking for $978.1 million. Mobileye Global — The maker of autonomous driving technology saw shares jumping more than 3% in after-hours trading after a regulatory filing revealed Steve Cohen’s hedge fund Point72 has taken a 5% stake in the company. Cohen has been a big bull on artificial intelligence. Walgreens Boots Alliance — Shares of the drugstore chain popped nearly 6% in extended trading before the stock was halted on news that it struck a $10 billion deal to be taken private by Sycamore Partners. — CNBC’s Yun Li and Darla Mercado contributed reporting