Uber Technologies' (UBER) shares surged Friday after investor Bill Ackman said his Pershing Square hedge fund has amassed a stake in the ride-hailing giant. The fund started acquiring a position in ...

Bill Ackman has amassed a roughly $2.3 billion stake in Uber, saying in a post on X that the ride-hailing company's stock is undervalued. Ackman said Friday in the post that his Pershing Square ...

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

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 ...

In his frenetic efforts to increase government “efficiency,” Elon Musk has usurped Congress’s rightful authority over ...

The prospect of both megalenders being released from conservatorship and the downgrading of each firm's respective stock are ...

UnitedHealth has reached out to the U.S. Securities and Exchange Commission about billionaire investor Bill Ackman's ...

As Delaware, long considered a business-friendly state, faces a potential corporate revolt, Gov. Matt Meyer tells BI change ...

Bill Ackman announced on Saturday that his management company would leave Delaware to reincorporate in Nevada.