Growth of discounters could continue for years, says study, as Tesco, Asda and Sainsbury's lose market share
Supermarkets report record sales for the Christmas period, with winners at both ends of the market
Launch of own-brand device, complete with digital shopping app, expected on Monday
Drivers welcome supermarket chains' decision to cut unleaded petrol and diesel prices
Grocer to make first foray into online world - but how will Waitrose react to Ocado's deal with its rival?
US retail giant and Asda owner reclaims its place at the top of Forbes magazine's Fortune 500
'Click-and-collect has gone from nowhere to somewhere very quickly', says Asda chief
Supermarket giant follows Tesco, Sainsbury's and Asda onto the web after first profit drop in six years
Supermarket brand 'held talks with Deloitte about bid to buy brand and business'