With Bill Ackman's posts, one of the world’s most prominent investors is intensifying a dispute between a doctor and ...

Pershing Square Capital Management Chief Executive Officer Bill Ackman said he took down a critical post about UnitedHealth Group Inc. after the company’s lawyers told him the claims about the company ...

Shares of the ride-sharing giant Uber Technologies (NYSE: UBER) rose nearly 9%, as of 12:38 p.m. ET today, after billionaire ...

Uber Technologies (UBER) rose 8% at least party after Bill Ackman disclosed a stake in the ride-sharing company.

Pershing Square’s Bill Ackman revealed Friday that he has built a significant stake in Uber, saying the stock is still ...

Billionaire investor Bill Ackman has disclosed a significant stake in Uber Technologies (UBER) that sent the ride-hailing company’s stock up ...

Bill Ackman said his hedge fund Pershing Square Capital Management owns 30.3 million shares of Uber Technologies Inc., citing ...

Trump’s rhetoric and actions have impacted clean-energy projects around the country. But these stocks still look promising.

The selling picked up the pace in the stock market today after a mixed jobs report, but there were plenty of earnings winners ...