Early movers: UNH, BAC, IBM, COST, LL, WDFC & more By: CNBC.com News July 10, 2014 at 07:48 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Bank of America Chesapeake Energy Costco Wholesale Family Dollar Stores Google, Inc. International Business Machines LL Flooring Hldgs Inc Potbelly Corp Regeneron Pharmaceuticals Sanofi-Aventis S.A. ADR UnitedHealth Group W D 40 Company Zumiez Inc Zynga Inc Cl A