Why Walmart is trouncing Amazon in the grocery wars

When Amazon announced the $13.7bn acquisition of Whole Foods Market in 2017, it followed some oddball attempts to strengthen its grocery business, some conceived by Jeff Bezos himself. One was to develop an “ice-cream truck for adults”, driving into neighbourhoods with lights flashing and horns honking, to sell porterhouse steaks, Shigoku oysters, Nintendo games and other goodies. It was quietly shelved. Another was to create a product so…