Early movers: PIR, AMZN, MNST, GM, F, UAL & more By: CNBC.com News February 28, 2014 at 07:34 AM EST These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Amarin Corp ADR Amazon.com Ford Motor Gap General Motors Mattel Monster Beverage Pier 1 Imports Ross Stores Salesforce Splunk Inc TripAdvisor