Check out the companies making headlines in midday trading. Walmart — Shares of the big-box retailer dropped 1% after Walmart fell slightly short of first-quarter sales expectations and management warned that consumers could see higher prices caused by tariffs. Walmart reported revenue of $165.61 billion, while the consensus forecast was $165.84 billion, per LSEG. The retailer earned 61 cents per share, after adjustments, beating an LSEG estimate of 58 per share. Dick’s Sporting Goods — The sporting goods retailer tumbled 14% on the announcement that it would buy rival Foot Locker for $2.4 billion , in a deal expected to close in the second half of this year. Shares of Foot Locker rallied 85% on the news. UnitedHealth — The health insurer plunged 15%, hitting an intraday low not seen in more than five years. The Wall Street Journal, citing people familiar with the matter, reported on Wednesday that the company is under Justice Department investigation for potential Medicare fraud. Cisco — Shares popped nearly 6% following a better-than-expected earnings report for the network technology company’s fiscal third quarter. Cisco earned 96 cents per share, excluding items, on revenue of $14.15 billion, while analysts polled by LSEG penciled in 92 cents per share and $14.08 billion in revenue, respectively. Cisco also gave strong guidance and announced finance chief Scott Herren would retire in Ju …
