Clothing retailer Le Chateau Inc on Friday posted a huge jump in second quarter net profit to C$2.4 million from C$105,000 in the year-ago period as it was boosted by higher sales at its Canadian and US stores. The Montreal-based operator of 153 outlets said sales jumped 20.9 per cent to C$51.6m from C$42.7m and same-store sales surged 24 per cent as shoppers aged 15-35 snapped up its merchandise.