Billionaire investor Bill Ackman is once again flexing his political muscle — this time by publicly touting the New York ...

Billionaire Bill Ackman said he’s supporting former hedge fund manager Whitney Tilson in the crowded Democratic primary for ...

Anthony Scaramucci, Bill Ackman and many others in the finance industry have helped Whitney Tilson build his treasure chest to run for mayor of New York City.

California authorities have confirmed that 24 have died as wildfires continue to rage around Los Angeles on Sunday. Meanwhile ...

Former Business Insider editor in chief Nicholas Carlson spoke with Mediaite editor Aidan McLaughlin on this week’s episode of “Press Club” about why he left the news organization and his new company.

Last Thursday, the Tel Aviv Stock Exchange reported that it would buy 4.82% of its own shares from Manikay Partners for NIS ...

Billionaire hedge fund manager Bill Ackman announced plans to build a modern-day Berkshire Hathaway ( BRK.A 1.68%) ( BRK.B ...

Ackman has unveiled his vision to form a new business out of Howard Hughes Holdings “that would acquire controlling interests ...