Check out the companies making headlines in midday trading. Walmart — Shares of the discount retailer jumped 7% on strong earnings. Walmart topped Wall Street’s quarterly estimates and lifted its full-year outlook as consumers show ongoing resilience. For the year, the company expects sales to rise between 3.75% and 4.75%, and adjusted earnings to come in between $2.35 and $2.43 per share. Nike — The athletic apparel and sneaker retailer saw its shares climb about 4% after Bill Ackman’s Pershing Square Capital Management revealed a new stake in the company through its latest 13F regulatory filing. The firm owned more than 3 million shares of Nike at the end of June, a stake worth roughly $229 million, the filing disclosed. Ulta Beauty — The beauty retailer saw shares pop more than 11% after a regulatory filing revealed that Warren Buffett ‘s Berkshire Hathaway took a stake worth $266 million in the second quarter. The bet is relatively minor for Berkshire, whose equity portfolio is worth more than $300 billion, so it could have been bought by one of Buffett’s lieutenants Ted Weschler and Todd Combs. Alibaba — The Chinese e-commerce stock rose less than 1% after the report for the June quarter showed lighter-than-expected revenue. Alibaba reported 243.24 billion Chinese yuan of revenue, or about US$33.5 billion. Analysts surveyed by FactSet were expecting 248.32 billion Chinese yuan of revenue. The company said its overseas e-commerce business grew by 32% year over year. Dell — Shares climbed nearly 8% after JPMorgan added Dell to its focus list, noting the potential for upside after a recent pullback. On the other hand, Citi cut its price target on the stock. Cisco Systems — The stock advanced about 7% following the networking company’s better-than-expected fiscal fourth-quarter results . Cisco also announced that it is laying off 7% of its workforce and implementing a restructuring plan that will result in $1 billion in pretax charges. Tapestry — The luxury retail company rose 3% after posting a top- and bottom-line beat. Tapestry adjusted earnings per share of 92 cents, versus analysts’ estimates of 99 cents per share, per LSEG. Revenue of $1.59 billion also came in higher than the consensus forecast of $1.57 billion. Deere — The agricultural machine manufacturer jumped 7% on better-than-expected fiscal third-quarter results. Deere earned $6.29 per share on $11.39 billion in revenue. That surpassed the expected profit of $5.63 per share on $10.84 in revenue, per LSEG. Dutch Bros — The coffee chain’s stock popped 7% after being upgraded to buy from neutral at UBS. The bank said concerns over Dutch Bros’ slowing growth seem overblown and sees catalysts to accelerate same-store sales growth into 2025. Robinhood — Shares added nearly 7% after Deutsche Bank upgraded the online brokerage to buy from hold. The firm cited long-term earnings potential and a diversifying business profile for the call. Lumentum Holdings — Shares of the optical provider rallied 14% on better-than-expected fiscal fourth-quarter results. Earnings came in at 6 cents per share, excluding items, topping a FactSet estimate of 2 cents per share. Revenue of $308.3 million also beat forecasts of $301.4 million. Sirius XM Holdings — The radio broadcasting stock climbed 5% after Buffett’s Berkshire Hathaway disclosed that it increased its stake in the company in its latest 13F filing. Berkshire holds 132.9 million shares of Sirius XM versus 36.7 million previously. Dillard’s — The department store chain slipped more than 9% on disappointing quarterly results. Earnings per share fell to $4.59 in the fiscal second quarter from $7.98 per share a year ago. Revenue missed estimates. Management highlighted a challenging consumer environment and higher expenses. — CNBC’s Yun Li, Samantha Subin, Michelle Fox, Pia Singh, Alex Harring, Sean Conlon and Jesse Pound contributed reporting