Amazon's physical grocery push deepens its fight against rival Walmart

Core Insights - Amazon, once a leader in e-commerce, is now shifting its strategy to focus on mega-stores, a model traditionally associated with Walmart [1] Group 1: Company Strategy - Amazon is transitioning from its original e-commerce model to a physical retail strategy that resembles Walmart's mega-store approach [1] Group 2: Industry Context - The shift indicates a significant change in the competitive landscape of retail, where traditional giants like Walmart are being challenged by e-commerce players like Amazon [1]