Activist US investor Bill Ackman got the market talking this week with the disclosure he has invested in Mondelez International. Could he be betting on an eventual bid for the Cadbury owner from the new Kraft Heinz Co.? Meanwhile, the row over the Maggi continued, with India's food safety watchdog brushing off tests that appeared to clear Nestle's noodles. And three UK snacks businesses hit the headlines. The owners of Nakd owner Natural Balance Foods are weighing up their options, Bear owner Urban Fresh Foods is looking at ways to expand internationally - which could involve investment in the business. And crisp firm Tyrrells snapped up an Australian snack maker.