Sainsbury's Christmas sales hit by struggles at Argos

Trading suffers after decision to hold off from heavy discounting on Black FridayA fall in sales of toys and electrical goods at Argos after a cutback on Black Friday discounts dragged down trading at Sainsbury’s over Christmas.Sales at established stores slid by 1.1% in the 15 weeks to 5 January, driven by a 2.3% drop in total sales of non-food household goods, mainly at Argos. There was also a small decline in clothing sales. Related: Christmas sales: the winners and losers on the UK hig