Shares of some of UnitedHealth’s peers got a bump in the wake of Berkshire’s investment in the healthcare giant, and they all look cheaper based on price relative to expected earnings.

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,

UnitedHealth Group Inc. (NYSE:UNH) shares edged up on Monday, even as the stock remains down roughly 49% year to date. Trading volume stood at 6.39 million shares, well below the 100-day average of 20.

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

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