Early movers: GMCR, KO, T, DTV, BP, CS, PFE & more By: CNBC.com News May 13, 2014 at 07:55 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: AT&T Inc Astrazeneca Plc ADR Atlantic Power Corp BP Plc ADR Coca-Cola Company Credit Suisse Group ADR DIRECTV JPMorgan Chase & Co Keurig Green Mountain Masco Corp McKesson Corp Pfizer Pinnacle Foods Inc Time Warner