In May, a 13F filing revealed that Berkshire Hathaway was buying mystery stocks. Now, at last, we know what they are.

Berkshire Hathaway bought Nucor stock. Hopefully, this purchase works out better than the last time Warren Buffett dabbled in ...

UnitedHealth jumps after Berkshire Hathaway discloses a stake in the health insurer, while Applied Materials tumbles following weak revenue guidance.

Shares of UnitedHealth Group surged more than 12 per cent in premarket trading on Friday after Warren Buffett’s Berkshire ...

UnitedHealth Group shares surged over 12% in premarket trading after Warren Buffett's Berkshire Hathaway disclosed a new $1.57 billion stake.