Early movers: JPM, TWTR, HLF, AAPL, GM, KO & more By: CNBC.com News March 24, 2014 at 07:33 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Apple Berkshire Hathaway Cisco Systems Coca-Cola Company Comcast Corp Comcast Corp Duke Energy General Motors Herbalife Ltd Hormel Foods J C Penney Company Inc J.M. Smucker Company JPMorgan Chase & Co Macy's Microsoft New York Times Company Nokia Corp ADR Nu Skin Enterprises Pinnacle Foods Inc Symantec Corp Twitter, Inc. Unilever Plc ADR Yelp Inc