Friday’s Vital Data: Amazon.com, Inc. (AMZN), General Motors Company (GM) and AT&T Inc. (T) By: InvestorPlace April 24, 2015 at 04:15 AM EDT Read More >> Related Stocks: AT&T Inc Amazon.com Apple Facebook General Electric General Motors Microsoft Petrobras - Petroleo Brasileiro S.A. Time Warner Cable Vale ADR Representing One Ord Shs