Check out the companies making headlines in midday trading. General Mills — Shares tumbled 7% after the Lucky Charms and Progresso parent lowered its 2026 outlook. General Mills said organic net sales would slide between 1.5% and 2%, while operating profit and adjusted earnings per share would tumble between 16% and 20%. Southwest Airlines — The airline’s stock jumped more than 6% after receiving an upgrade from UBS to buy. The analyst called Southwest’s new initiatives, which could attract travelers such as extra leg room and assigned seats. Warner Bros. Discovery , Paramount Skydance — Shares of the two media and entertainment companies rose after Netflix granted Warner Bros. Discovery a seven-day waiver to hold deal talks with Paramount Skydance. Warner Bros. Discovery gained nearly 3%, while Paramount jumped more than 6%. Tripadvisor — Shares of the travel booking website rose more than 7% after the company said its board and management have had conversations with activist investor Starboard Value, which holds a 9% stake in Tripadvisor. The hedge fund has asked the company to consider a sale of its business. Genuine Parts — Shares fell more than 12% after Genuine Parts said it planned to split its automotive parts group and its industrial parts group into two publicly traded companies. That deci …
