This fashionable crowd may be big mobile spenders By: CNBC.com News December 03, 2014 at 11:42 AM EST Mobile sales nearly tripled on Cyber Monday on sites operated by Yoox Group, which runs online stores for the likes of Armani and Valentino. Read More >> Related Stocks: Burberry Group Plc ADR Ppr Sa ADR Wal-Mart Stores, Inc. Yoox Spa