TheStreet. Warren Buffett is arguably the most successful investor of all time. He's amassed an amazingly massive net worth ...

The Dow briefly reached a record high, propelled by UnitedHealth's surge following Berkshire Hathaway's increased stake.

U.S. stocks edged back from their record levels on Friday in a quiet finish to another winning week. The S&P 500 slipped 0.3% ...

New research exposes crisis in newborn care despite technological advancements. Report calls for investment in nurse training, retention and support to save newborn lives.