Early movers: CAG, CMG, ESRX, SCS, F, BHP & more By: CNBC.com News December 22, 2015 at 07:52 AM EST These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Alphabet-A Bhp Billiton Ltd ADR Chipotle Mexican Grill ConAgra Foods Express Scripts Holding Ford Motor General Electric NetApp Southwest Airlines Steelcase Inc Vale ADR Representing One Ord Shs Walgreens Boots Alliance