Walmart racks up its fastest sales growth in a decade. Nordstrom dazzles. Macy’s slips. J.C. Penney plummets. Home Depot nails it. And Amazon goes to the movies. Our analysts discuss those stories and weigh in on Southwest Airlines and flying miniature horses. Plus, author Jonah Sachs talks about his new book, Unsafe Thinking: How to Be Nimble and Bold When You Need It Most.  Thanks to Slack for supporting Motley Fool.  Slack: Where work happens. Go to slack.com to learn more.