Share to Facebook Share to Twitter Share to Linkedin Wal-Mart Stores Inc. signage is displayed outside of a store in Louisville, Kentucky, U.S., on … [+] Friday, May 15, 2015. Wal-Mart Stores Inc. is expected to release first-quarter earnings results before the opening of U.S. financial markets on May 19. Photographer: Luke Sharrett/Bloomberg © 2015 […]