LONDON (Reuters) - The Advertising Standards Authority (ASA) has ruled Asda must make changes to the way it presents its price guarantee, a key plank of the grocery chain's marketing strategy, ...

LONDON (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, proved ...

A national press advert for Tesco has been banned by the Advertising Standards Authority following a complaint by ASDA citing an internal 'communications error’, while ASDA has itself escaped a ban ...

In a bid to usurp Asda’s price guarantee scheme, rival supermarket chain Tesco is to launch a customer offer itself. Tesco has announced to customers that if they find they their shopping is cheaper ...