The Pershing Square CEO said he's admired the ridesharing giant since actor Edward Norton introduced him to the app in its early days.

Uber Technologies stock is trading at a “massive discount,” Bill Ackman said Friday as he revealed that his hedge fund had established a significant stake in the ride-hailing company. In a post on X,

Uber (UBER) stock is climbing higher Friday afternoon following billionaire Bill Ackman's disclosure of a significant investment in the rideshare company. In a post on X (formerly Twitter), Ackman revealed that his firm,