I don’t understand how it is good for the world to allow investors in equities to operate with 10-1 leverage,” Ackman wrote.

Pershing Square Capital Management says it now owns about 4.1% of the company.

Billionaire hedge fund manager Bill Ackman has donated $250,000 to a super PAC supporting Andrew Cuomo’s campaign for New York City mayor, according to recent campaign finance disclosures. Ackman, ...

NEW YORK — Billionaire hedge fund manager Bill Ackman, a prominent supporter of Republican President Donald Trump, has donated $250,000 to a super PAC boosting Andrew Cuomo’s run for New York ...