Asda's sales slump 5.1 pct in a tough market for big four-Kantar Worldpanel
LONDON, May 4 (Reuters) - Sales at Wal-Mart's British supermarket chain Asda fell by 5.1 percent in 12 weeks to April 24, the worse performer in a period when all four of the biggest chains declined, Kantar Worldpanel said on Wednesday.
Sales at market leader Tesco (Xetra: 852647 - news) were down 1.3 percent, ending four months of improvement, market researcher Kantar said, and Sainsbury (Amsterdam: SJ6.AS - news) 's and Morrisons also posted falls of 0.4 percent and 2.6 percent, respectively. (Reporting by Paul Sandle, editing by Louise Heavens)