Shares in Mondelez International, which issued its first-quarter results after the closing bell in New York on Tuesday (2 May), were up in after-hours trading, helped by the Oreo owner beating analyst forecasts on its underlying earnings per share and better-than-expected sales numbers. However, the snacks giant did have some weak spots in the opening three months of 2017, notably North America, and issued some notes of caution about the second quarter. Dean Best sets out what you need to know from the numbers and from Mondelez's outlook.