date:Nov 21, 2013
According to data from Kantar, Tesco, Asda, Sainsburys and Morrisons saw their market share drop in the 12 weeks to November 10 compared to the same period a year ago.
It is the first time since Kantar began collecting monthly market share data ten years ago that all the big four retailers have recorded a decline in market share.
Almost a third of British households visited a German-owned Aldi discount store in recent weeks according to the figures. At the same time sales of the big supermarke