Asda suffers worst ever quarterly sales fall

Sixth successive quarter of sliding sales confirms retailer endured worst performance of all the major grocers over ChristmasAsda’s prolonged sales slump has reached a new record low after a poor performance over Christmas. Andy Clarke, the chief executive of the UK’s third-largest supermarket, denied the retailer was in crisis as sales at established stores fell 5.8% in the 13 weeks to 1 January, compared with a 4.5% decline in the previous quarter and a 4.7% slide before that &ndas