Tesco's plan to win back UK consumers understandably grabbed the headlines this week but there was plenty to analyse elsewhere. Nestle featured in the latest M&A speculation, with rumours that a deal to buy Pfizer's baby food unit was near and talk that it could sell its ice cream business in Australia. The food giant also kicked off the run of results announcements for the first quarter and joined Danone in outlining the challenges of operating in weak developed markets. Click on the headlines for more.