Stocks making the biggest moves premarket: MRK, JCP, ABBV, CL, AMZN, GOOGL & more By: CNBC.com News October 27, 2017 at 07:49 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: AbbVie Amazon.com Colgate-Palmolive J C Penney Company Inc Merck & Co