Dairy giant Arla Foods grabbed the headlines this week with the admission 250 jobs could go at the company, with the possibility of more to come, as it looks to drive efficiency. Elsewhere, Kellogg announced a brand "refresh", although industry watchers argued the company might have to do more to drive sales. The takeover battle for frozen food giant Iglo Group gathered pace, with Thai food company CP Foods linked to the Birds Eye owner. Meanwhile, Wal-Mart Stores reported its first-quarter results and won praise from analysts.