Chipotle's fortunes soared under a fast-food CEO. Employees say they paid the price.

Foot traffic has been down for six straight quarters at Starbucks. But the coffee chain has some big changes in store to get ...

Ackman even owns a 46.9% stake in one of his top five stocks. Billionaire Bill Ackman founded Pershing Square Capital Management with $54 million in 2004. Today, Ackman's net worth exceeds $9 billion, ...