This week Tesco found itself under more scrutiny after it overstated expected profits for the first half of the year by GBP250m. Fonterra and Diamond Foods both reported a slump in annual profits but were optimistic about their prospects. Elsewhere Fyffes, Chiquita and Cutrale and Safra continued to go at each other as the former two announced a revised deal for shareholders if they were to merge. Here is the week in quotes.