Specialty retailer of fashionable and contemporary apparel and accessories, The Wet Seal Inc, has announced a 10.8 per cent increase in December sales to $96.3 million from the previous year's $86.9m. The company's comparable store sales rose 10.2 per cent for the five week period ended January 5, 2002 compared to a rise of 10.2 per cent for the same period in the year prior. The firm currently operates 576 stores.