Stocks making the biggest moves premarket: Viacom, Centene, Merck, Alphabet & more By: CNBC.com News February 05, 2019 at 07:49 AM EST These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Alphabet-A Apple Archer-Daniels-Midland Booking Holdings Inc Box Inc Centene Corp Church & Dwight Company Estee Lauder Co General Electric Gilead Sciences Johnson & Johnson Kraft Heinz Company Merck & Co Pitney Bowes Seagate Technology Plc Sentinelone Inc Cl A T-Mobile US Via Renewables Inc Cl A Wellcare Group