Children's apparel chain Gymboree Corp on Thursday revealed a five per cent climb in same-store sales for May compared to a 39 per cent climb in the year prior but warned it expects same-store sales to be flat in June. The California-based company said in a statement that it expects same-store sales to rise in the low single digits for the second quarter. It also reaffirmed it expects a second-quarter loss of 9-11 cents a share, a third-quarter profit of 13-15 cents a share, and a fourth-quarter profit of 38-40 cents a share.