Ackman halts Kraft Heinz's attempt to buy snack giant

Snacks giant Mondelez is believed to want 3G's Kraft Heinz to make a bid for it -- but according to a source close to Mondelez, hedge fund mogul Bill Ackman has ruined any potential deal. Back in 2015, Ackman bought a roughly 6 percent stake in Mondelez with the idea that sooner or later Kraft...