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

Anthony Scaramucci, Bill Ackman and many others in the finance industry have helped Whitney Tilson build his treasure chest ...

Business Insider’s top executive and parent company said they were satisfied with the fairness and accuracy of stories that made plagiarism accusations against Bill Ackman's wife, a former MIT ...