Uber’s stock extends its surge as hedge funder Ackman says he’s amassed a 30.3-million-share stake since early January.
Born into a wealthy New York family, Bill Ackman has amassed a fortune estimated ... That began a years-long, public battle with billionaire Carl Icahn, who was a major investor in the company.
UnitedHealth Group Inc. said it contacted the US Securities and Exchange Commission with concerns about investor Bill ...
But a simple model beat them. But Ackman has also had some bad calls. He basically lost a public "feud" with fellow hotshot investor Carl Icahn about a decade ago, in which Ackman made a big bet ...
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