Leading athletic shoe chain Foot Locker Inc on Thursday posted a rise in first quarter income from continuing operations to $39 million from $38m in the year-ago period despite a 2.5 per cent slip in same-store sales. The operator of 3,600 stores in 14 countries said sales edged up 3.5 per cent to $1.12 billion from $1.09bn last year and added merchandise inventories remain on plan.