Early movers: GM, AGN, VRX, HAS, V, MA, IBM & more By: CNBC.com News July 21, 2014 at 08:00 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: AK Steel Holding Corp Apple EMC Corp General Motors Halliburton Co Hasbro International Business Machines Juniper Networks MasterCard Reynolds American SVJTL Societe Generale Spo ADR Steel Dynamics Inc SunTrust Banks Valeant Pharmaceuticals International, Inc. Visa Vmware Inc