The new White House communications director is just as brash as his boss — and, it seems, just as willing to kiss and make up with a former foe.
Billionaire hedge fund manager Bill Ackman sent his first tweet from a Chipotle Mexican Grill restaurant in the midst of the chain's latest food safety scare.
A plush penthouse in one of New York's most expensive buildings is headed to foreclosure, signaling troubles in the high-end market.
Bill Ackman calls for Herbalife to explain insider sales following its second quarter sales outlook.
Herbalife lowered its sales outlook for the current quarter early Monday.
Pershing Square Capital Management founder and CEO Bill Ackman delivers his presentation from the Sohn Investment Conference on Monday, May 8.
Bill Ackman said on a Pershing Square investor call Wednesday that he has an unnamed investment position that gained double digits.
James Dovolos, Horizon Kinetics portfolio manager, discusses investing in Howard Hughes Corporation following Pershing Square's Bill Ackman's comments on the stock at the Sohn Conference.
Bill Ackman of Pershing Square Capital Management speaking at the Sohn Conference about land development with Howard Hughes Corp.
Activist investor Bill Ackman will reveal his latest investment idea at the 2017 Sohn Investment Conference.
The week kicks off with big market-moving news from overseas—the French election. Plus, some all-star stock picks and more.
In one example of a change in strategy, Neuberger Berman sounded out hedge funds about investing in Whole Foods Market and pressing for change.
Vanity Fair's William Cohan, "Why Wall Street Matters" author, weighs in on Pershing Square Bill Ackman's Valeant apology to investors.
Ackman's Pershing Square Holdings saw returns for its main fund tumble 13.5 percent net of fees in 2016.
Democrats on the Senate Banking Committee raised concerns about his professional ties to Wall Street.
Chipotle Mexican Grill said four of its 12 directors would not stand for re-election to the burrito chain's board at its shareholder meeting in May.
The hedge fund reported that it bought 3 million more shares on Tuesday, increasing its stake to about 5.2 percent.
The "Fast Money" traders look at stocks owned by Pershing Square CEO Bill Ackman.
Marc Levine, Illinois State Board of Investment chairman, discusses why he decided to pull money from hedge funds, in the wake of Bill Ackman exiting out of Valeant.
Charley Grant, Wall Street Journal, shares his outlook on Valeant following Bill Ackman's pullout from the company. With CNBC's Meg Tirrell.