Early movers: WFC, UNH, ANTM, GM, TIF, VIAB, NFLX, CVX, KATE, FCX, WTW & more By: CNBC.com News September 13, 2016 at 07:53 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Anadarko Petroleum Anthem Inc Boeing Co Chevron Corp Facebook Freeport-McMoRan General Motors NRG Energy NVIDIA Corp Netflix Tiffany & Co UnitedHealth Group Via Renewables Inc Cl A Viacom Wells Fargo Willis Towers Watson Public Ltd