Early Movers: COST, RSH, URBN & More By: CNBC.com News March 12, 2013 at 07:52 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Apple Best Buy Carnival Corp Costco Wholesale Dick's Sporting Goods Inc Hewlett-Packard Paymentus Holdings Inc Cl A Rambus Inc Royal Caribbean Cruises Ltd Urban Outfitters Yum Brands