Recent Kantar Worldpanel data showed the Wal-Mart owned chain dropped market share for the fifth consecutive month and is lagging behind its competitors with 2.5% growth. The supermarket revealed like for like sales fell 0.3% while total sales growth was in the "low single digits" for the 12 weeks ending 31 March. Wal-Mart international chief marketing officer Rick Bendel says the Price Guarantee is at the heart of Asda's marketing plans and will help turn around Asda's slowing growth.