Tesco, Asda sales fall as march of the discounters continues-Kantar
August 25, 2015 at 05:05 AM EDT
LONDON, Aug 25 (Reuters) - Britain's "big four" supermarkets have all lost market share in a barely growing grocery market, as the likes of Tesco and Asda are left standing by the growth of discounters Aldi and Lidl, Kantar Worldpanel said on Tuesday.