It’s never a good idea to get emotionally attached to an investment, and that’s especially true of stocks. But sometimes, we can’t help but root for the underdog. If the stock becomes a big winner, it could mean enormous upside potential. With this in mind, our analysts talk about three underdog stocks theyre watching closely: Dine Equity (NYSE: DIN), A.O. Smith (NYSE: AOS), and Yandex (NASDAQ: YNDX).