Hershey and Unilever were among the major food manufacturers that this week were the first to report their 2011 financial results. Unilever's profits inched up 1% and CEO Paul Polman pointed to the performance of its home and personal care operations - casting some questions over the prospects of its food operations. In the retail sector, this week saw the long-speculated appointment of a new CEO at Carrefour and analysts expressed concern about the outlook for Ocado despite narrowing full-year losses.