Leading designer and marketer of contemporary apparel, Guess? Inc on Thursday posted a slight rise in February retail sales to $26.1 million, versus sales of $26m for the four weeks ended March 3, 2001. Comparable store sales for the February period dropped 4.2 per cent, while comparable store sales for the firm's full priced retail stores slipped 3.5 per cent, and comparable store sales at factory outlet stores fell six per cent.