Early movers: MRK, WAG, AMZN, JCP, BWLD, WFC & more By: CNBC.com News October 01, 2013 at 07:50 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Amazon.com Berkshire Hathaway Cisco Systems Dish Network Corp Goldman Sachs Group Google, Inc. H&R Block J C Penney Company Inc Merck & Co Paychex Under Armour Wal-Mart Stores, Inc. Walgreen Company Walt Disney Wells Fargo