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

Bill Ackman’s hedge fund Pershing Square Capital Management owns 30.3 million shares of Uber Technologies Inc., the ...

Beginning in early January, we began acquiring a position in @ Uber (UBER). Today, we own 33.3 million shares. I have been a long-term customer and admirer of Uber beginning when Edward Norton showed ...

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

Uber's stock movement reflects a broader trend where high-profile investments by notable figures can lead to increased investor confidence and share price gains. Ackman's statement that Uber is still ...

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

Fannie Mae and Freddie Mac were bailed out by the government during the housing crisis nearly 17 years ago. The Trump ...

Amazon falls after guidance disappoints and cloud-computing growth misses estimates, Affirm jumps after fiscal second-quarter earnings beat analysts’ forecasts, and Pinterest soars after posting its ...

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 ...

UnitedHealth shares fell more than 4% on Wednesday before finishing down 1%, a day after hedge-fund manager Bill Ackman wrote a post on social media that said the insurer could be overstating its ...

File-sharing service Dropbox unveiled plans last Friday to move its incorporation from Delaware to Nevada. The San Francisco-based tech firm said in a securities filing that it’s in a transformational ...

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