ONLY one of the “Big Four” supermarkets increased its market share as discount retailers Aldi and Lidl prosper.

Latest grocery figures from research group Kantar Worldpanel revealed that Sainsbury’s saw sales rise by 2.7 per cent in the 12 weeks to February 2.

Sales at Morrison and Tesco fell by 2.5 per cent and 0.4 per cent respectively, while Asda managed to achieve a growth of 0.5 per cent compared to a year ago, but it lost ground against the overall market, which increased by 2.4 per cent.

German discount retailers Aldi and Lidl were up by 32 per cent and 17.2 per cent respectively, with the stores accounting for 7.3 per cent of industry sales. Waitrose sales rose by 5.6 per cent, helping it increase its share of the market by 4.9 per cent.