LONDON, Nov 12 (Reuters) - All of Britain's big four supermarket groups lost market share to German-owned discounters Aldi and Lidl in the latest 12-week period, with No. 4 player Morrisons the clear laggard, industry data showed on Tuesday.
Morrisons' sales fell 1.7% in the 12 weeks to Nov. 3, trailing market leader Tesco, Sainsbury's and Asda, which saw declines of 0.6%, 0.2% and 1.2% respectively.
In contrast Lidl's sales rose 8.8% and Aldi's were up 6.7%, giving the discounters a combined market share of 13.9%. (Reporting by James Davey; editing by Kate Holton)