Top casual apparel chain Uniqlo on Tuesday reported a 20.2 per cent plunge in November same-store sales - its 14th straight month of sliding sales at outlets open at least a year. Owner Fast Retailing Co Ltd said the fall was not as steep as October's 31 per cent fall but added customer visits 9.1 per cent last month and per-customer sales fell 12.2 per cent from the year-ago period.