Bill Ackman

(Newser) - The key word Monday for the US stock market appears to be volatility, but that might be an understatement. The major indexes began the day with another steep plunge before rebounding into positive territory—then taking another big plunge back into the red before rebounding yet again, reports the Wall ...

(Newser) - Jamie Dimon and other prominent names on Wall Street are voicing rising concerns about the effect of President Trump's tariffs on world markets. "We are likely to see inflationary outcomes," the CEO of JPMorgan Chase wrote in his closely watched annual letter to investors on Monday, reports...

(Newser) - In December 2012, a hedge fund manager accused nutrition company Herbalife of being a pyramid scheme; now, the FBI is investigating. The criminal probe comes on top of civil investigations from multiple agencies, including the Federal Trade Commision, the Financial Times reports—though no charges have been filed. Following news...

(Newser) - After buying a huge stake in JCPenney and backing a disastrous revamp that has left the chain floundering, Bill Ackman has decided he's done with the company. The Pershing Square hedge fund Ackman runs has announced its intention to unload its 18% stake in the company at a price...