Stocks making the biggest moves premarket: WMT, BBY, VIAB, SJM, P, CSCO & more By: CNBC.com News November 16, 2017 at 08:06 AM EST These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Best Buy J.M. Smucker Company Rockwell Automation Via Renewables Inc Cl A Viacom Wal-Mart Stores, Inc.