Leveraged positions in the stock market jumped 18% in one month and topped $1 trillion for the first time. Increasing use of ...

Trump’s Putin meeting crucial for oil prices, Berkshire Hathaway’s mystery solved, the case for rate cuts, and more news to ...

Beaten-down UNH is set to challenge its 50-day moving average after a major vote of confidence from the Oracle of Omaha.

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

Buffett owned UnitedHealth shares before selling his stake in 2010, though his Berkshire Hathaway recently acquired shares.