LONDON (Reuters) - Asda, the nation'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 ...

LONDON, Aug 16 (Reuters) - Asda, the British arm of U.S. retailer Wal-Mart , said sales growth accelerated in the second quarter as its online price guarantee, which undercuts rivals by 10 percent, ...