Walmart on Friday said its CEO would retire and be replaced by a company veteran. Jakub Porzycki / NurPhoto via Getty Images Close Key Takeaways Walmart CEO Doug McMillon is retiring after more than a decade of guiding the company's evolution—and watching its stock quadruple. Walmart (WMT) on Friday said McMillon will retire at the end of January, but spend another year advising his successor: John Furner, a company veteran. McMillon presided over 11 years of immense change—Walmart went from a big-box store ...