Amazon's Surprising Rise to the Top

Amazon.com soars after big earnings. And Chipotle, Starbucks, and UnderArmour get in on the party as well. Our analysts tackle those stories and debate the future of McDonald's. Plus, behavioral economist Dan Ariely talks about his new book, Irrationally Yours: On Missing Socks, Pickup Lines, and Other Existential Puzzles. Learn more about your ad choices. Visit megaphone.fm/adchoices