Walmart in talks with possible buyers for Asda stake

LONDON (Reuters) - Walmart , the world's largest retailer, is in talks with possible buyers of a stake in its British supermarket Asda, which it failed to combine with Sainsbury's last year.Asda and Walmart said in a joint statement on Wednesday that discussions with "a small number" of suitors followed "inbound interest" but no decisions had been taken.In common with its traditional big four British rivals - market leader Tesco , Sainsbury's and Morrisons - Asda has been losing market share..