https://www.theguardian.com/technology/2017/aug/24/whole-foods-price-cuts-amazon-walmart-online-war

Amazon, which acquired Whole Foods in June, will begin a wave of price cuts on Monday following Walmart’s new focus on developing its online retail efforts

Amazon has set the stage for a price war with retail giant Walmart as it signaled a wave of price cuts at Whole Foods, the grocery chain it acquired for $13.7bn in June. The move signals the start of a much wider battle – to see who will be the king of online retail in America.