PepsiCo's strategic options grabbed the headlines this week, with the company insisting it was not considering plans to split in two and then 48 hours later being linked to a yoghurt venture with German dairy group Müller. In Germany, meanwhile, Metro Group's CEO announced he would leave the retailer next year. Elsewhere in the retail sector, Wal-Mart was forced to close stores in China amid a probe into pork prices and we interviewed Spar International on its moves in emerging markets.