UPDATE 1-UK's Asda sales down 0.1 percent in Christmas quarter
February 20, 2014 at 07:33 AM EST
LONDON, Feb 20 (Reuters) - Supermarket Asda, the British arm of United States retailer Wal-Mart, said on Thursday like-for-like sales were down 0.1 percent in what was a tough Christmas quarter for all Britain's biggest grocers.
