Stocks making the biggest moves premarket: TWTR, MRK, CL, AMZN, SBUX & more By: CNBC.com News July 27, 2018 at 07:42 AM EDT These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Amazon.com Amgen Bhp Billiton Ltd ADR Boston Beer Company Chipotle Mexican Grill Colgate-Palmolive Electronic Arts Expedia Intel Corp Merck & Co Moody's Corp Papa John's Intl Starbucks Corp Twitter, Inc.