A vote of confidence by Warren Buffett’s Berkshire Hathaway delivered the Dow laggard its best day since 2020.

UNH stock soared after Warren Buffett’s Berkshire Hathaway revealed it bought shares of the healthcare company. Nonetheless, UnitedHealth faces a long list of unresolved issues.

The blue-chip Dow Jones ended higher after hitting an intraday record high on Friday, as UnitedHealth's shares jumped after Berkshire Hathaway raised its stake, but other Wall Street indexes slipped as mixed data clouded the Federal Reserve's next monetary policy move.

Berkshire Hathaway's $1B+ UnitedHealth investment highlights confidence despite profit woes. Read why UNH offers attractive upside for long-term investors.

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

UnitedHealth just won't quit. Shares of the healthcare giant were up 13.5% in recent trade, building on their earlier gains. That leaves it on track for its biggest one-day jump since Oct. 13, 2008, when the stock rose 34.

UnitedHealth Group ( UNH 12.04%) has been a solid dividend growth stock for years. Generally, its yield has been fairly low, due to the stock's rising value. Even as the healthcare insurance giant has grown its dividend, its yield hasn't been particularly high or noteworthy.

UnitedHealth Group Incorporated (NYSE:UNH) is one of the stocks Jim Cramer shed light on. Cramer showed a slight bit of optimism toward the company as he said: “I think UnitedHealth’s going to work