LONDON, April 28 (Reuters) - Asda, Britain's No.2 supermarket group, has launched a price guarantee offering to refund shoppers the difference if they can find their groceries cheaper elsewhere, as it ...

Grocers Asda and Sainsbury’s have instantly hit back at rival Tesco’s new Price Promise promotion and questioned the quality of the UK’s largest grocer’s new marketing push. Asda will this week ...