Early movers: HAL, BID, CMCSA, GM, AZN, FB & more By: CNBC.com News April 21, 2014 at 07:46 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Astrazeneca Plc ADR Barrick Gold Corporation Chipotle Mexican Grill Comcast Corp Facebook General Motors Genl Mills Halliburton Co Hasbro JPMorgan Chase & Co Kimberly-Clark Kraft Foods Group Mattel Microsoft Newmont Mining Nike Inc Nu Skin Enterprises Oneok Inc Pandora Media Inc Pfizer Sony Corp Sotheby's Holdings SunTrust Banks Time Warner Cable