Today's biggest winners and losers in the stock market.

On this episode of Stock Movers: 

- United Airlines (UAL) slashed its full-year profit forecast as higher fuel prices caused by war in the Middle East batter global carriers. The Chicago-based airline now expects full-year adjusted earnings of $7 to $11 a share. It previously expected its full-year earnings per share for 2026 to be in a range of $12 to $14. Shares in United declined 1.8% to $97.13 by the end of regular trading on Tuesday.

- T-Mobile (TMUS) saw its shares slide on news that Deutsche Telekom AG is considering a full combination with it, a move that would create a multinational telecom group and rank as the largest-ever public M&A deal, people with knowledge of the matter said. Deutsche Telekom is already T-Mobile’s biggest shareholder with a roughly 53% stake. The German carrier has been discussing the idea of creating a new holding company that would make a stock bid for shares of both Deutsche Telekom and T-Mobile, the people said, asking not to be identified because the information is private. 

- Capital One (COF) the biggest US credit-card lender, reported a first-quarter profit that missed Wall Street estimates and set aside more cash to cover soured loans. Shares of Capital One fell 3.5% to $195.47 in extended trading at 4:27 p.m. in New York. The stock had tumbled 16% this year through the close of regular trading, the worst performance in the 24-company KBW Bank Index.

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