Amazon.com, Inc. (NASDAQ:AMZN) has raised the pay for hourly workers at its U.S. fulfillment centers and transportation operations, the retail giant announced on Wednesday. “Earlier today, I visited one of our sites near Salt Lake City to share some news with our teammates there—that we’re making a significant new investment in pay and benefits for the hourly front-line employees across our fulfillment and transportation network,” Udit Madan, vice president of Amazon Worldwide Operations, wrote in the company’s newsletter. He said Amazon’s front-line team will receive an hourly pay raise of $1…