By Laura McGuire Shares in affordable footwear company Shoe Zone slumped by over nine per cent in early trade as the business failed to shake the hangover from its profit warning two months ago. The London-listed retailer reported revenue of £76.5m for the 26 weeks to 30 March up by just 1.5 per cent on last year’s figures. Store revenue was also down by 2.8 per cent to £59.4m. The business is currently undergoing a revamp of its physical estate. At the end of the period, it traded out of 309 stores, a reduction of 27 compared to 12 months ago and 14 lower compared to last year’s end. ShoeZone…