PYMNTS Intelligence has closely watched the two leading U.S. retail giants — Amazon and Walmart — duke it out since 2019, sharing our findings in regularly released reports.As our most recent edition of Whole Paycheck Report, “New Consumer Spend Data Finds Amazon Way Ahead of Walmart,” shows that, despite ever-changing market conditions, Amazon has leveraged a slow, steady climb that started in 2019 and has evolved into its current position of dominance over the U.S. retail market.As the accompanying graph ...