Shoe chain Footstar Inc on Tuesday posted a 0.4 per cent slip in June same-store sales and said total sales for last month fell 6.6 per cent to $224.3 million from $240.2m in the year-ago period. The New York-based company said in a news release that comparable-store sales for June at its Meldisco division rose 0.5 per cent, but comparable-store sales for its athletic segment fell 1.7 per cent.