Asda chairman Allan Leighton has struggled to rebuild the supermarket’s market share - Eddie Mulholland Asda has put more than 150 jobs at risk of redundancy after trading collapsed over Christmas, plunging its share of Britain’s grocery market to a new low. The troubled supermarket is preparing to axe more than 80 managers and dozens of warehouse staff in its latest attempt to cut costs. It signals growing pressure on the retail giant, which has so far failed to reverse its fortunes and continues to los ...