I told MarketWatch readers on Aug. 14 that Warren Buffett was about to reveal one big mystery elephant for Berkshire Hathaway ...

Berkshire Hathaway's latest SEC filing revealed that the company has taken a $1.6 billion stake in UnitedHealth Group.

Berkshire purchases often boost stocks. Shares of the steel maker traded as high as $151.32 on Friday, but closed at $145.48, ...

UnitedHealth Group shares popped Friday after Berkshire Hathaway announced it purchased 5 million shares of the insurance ...

Warren Buffett's Berkshire Hathaway is secretly building a substantial position, estimated at nearly $5 billion, sparking ...

Berkshire Hathaway (BRK.B) (BRK.A), led by legendary investor Warren Buffett, continues to demonstrate the compounding power ...

Berkshire Hathaway's $1.6 billion stake in UnitedHealth Group is helping to lift the Dow Jones Industrial Average to a new ...

Berkshire Hathaway has now gone six full weeks without closing above its 200-day moving average, the longest stretch the ...

Lennar’s share price jumped on Friday after Warren Buffett’s Berkshire Hathaway invested nearly $800 million in the ...

UNH stock soared after Warren Buffett’s Berkshire Hathaway revealed it bought shares of the healthcare company. Nonetheless, ...

Axon Enterprise has more than tripled its revenues in the last five years. But some simple advice from Warren Buffett has our ...

Berkshire Hathaway has lagged the S&P 500 since Buffett announced he would step down as CEO at the end of 2025.