Explore Warren Buffett's first major investment of 2020: a $10 billion deal in Dominion Energy's natural gas assets. Discover ...

The investment comes as UnitedHealth faces soaring medical costs, federal investigations, the fallout of the killing of a top ...

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

Warren Buffett is known for seeking out stocks of companies that possess wide economic moats — businesses with durable ...

Buffett's company, Berkshire Hathaway, once again sounded the alarm on tariffs in Berkshire's second-quarter earnings report.

Warren Buffett’s ‘first business love’ needed some TLC, and tech and analytics investments have paid off. But Progressive still has the lead.