Nestle reported its half-year results last week and said innovation was vital to growth in developed markets, where doing business at the moment is, it said, "no walk in the park". Produce giant Chiquita's first-half numbers included plans for a new strategy, while at US dairy group Dean Foods, it announced a move to list its soy and organics unit alongside its figures. In the retail sector, UK grocer The Co-op announced chief executive Peter Marks was to retire.