With Whole Foods, Amazon on Collision Course With Wal-Mart
When Wal-Mart Stores Inc. bought online retailer Jet.com for $3 billion last year, it marked a crucial moment — the world’s largest brick-and-mortar retailer, after years of ceding e-commerce leadership to arch rival Amazon, intended to compete. On Friday, Amazon.com Inc. countered. With its $14 billion purchase of grocery chain Whole …