Bloomberg journalists discuss today's biggest winners and losers in the stock market. Listen for analysis on the companies making news on Wall Street.

Shares of health insurance company UnitedHealth (NYSE:UNH) jumped 11.6% in the morning session after the company disclosed that Warren Buffett's Berkshire Hathaway had acquired a significant new stake,

Intel rallies as U.S. discusses taking stake in chip maker

Berkshire Hathaway’s UnitedHealth Group Incorporated investment highlights confidence in healthcare. Click for why I am bullish on UNH stock prospects.

The S&P 500 slipped 0.3% on Friday, Aug. 15, 2025, as a report on consumer sentiment revealed growing concerns about tariff impacts, inflation, and the jobs market.

US stocks were mixed on Friday as Wall Street tempered its rate-cut hopes amid economic data this week that showed higher-than-expected wholesale inflation and a rise in July retail sales. Traders also awaited Friday's meeting between President Trump and Russian President Vladimir Putin,

The Dow Jones index rallied Friday as UnitedHealth stock soared after Warren Buffett disclosed a new position.

Berkshire Hathaway invests $1.57B in UnitedHealth (UNH), boosting shares by 10.5%. Discover key insights on its challenges, outlook, and analyst ratings.