When most people think of America’s grocery giants, Walmart NYSE: WMT, Albertsons NYSE: ACI, and The Kroger Co. NYSE: KR come to mind. What most people would not expect is the inclusion of one of the biggest names in consumer discretionary stocks. After all, that sector is fundamentally the opposite of consumer staples, into which grocery store chains belong.  However, after first splashing into the supermarket industry when it purchased Whole Foods Market in June 2017, e-commerce and cloud storage solution ...