Early movers: GM, F, CAT, AAL, JPM, FB, T & more By: CNBC.com News July 24, 2014 at 08:05 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: 3M Co AT&T Inc American Airlines Gp Atlantic Power Corp Caterpillar Cheesecake Fact Cirrus Logic Inc Dunkin' Brands Group Facebook Ford Motor General Motors Gilead Sciences JPMorgan Chase & Co McGraw Hill Financial Nokia Corp ADR Qualcomm, Inc. Quest Diagnostics TripAdvisor Under Armour Wal-Mart Stores, Inc.