Boomers Fueled Amazon and Walmart Summer Sales Crowds

The summer’s biggest retail sales events did more than create a larger shopping crowd. Their overlap also changed who showed up, how much they spent and how consumers moved between retailers. A PYMNTS Intelligence report, “ The Overlap Effect: How Amazon and Walmart Expanded the Crowd and Shrank the Basket ,” examined the first-ever overlap between Amazon Prime Day and Walmart Deals in June 2026.