Wal-Mart (NYSE:WMT) announced it struck a deal with Rovio Entertainment that marks the firm’s first in-store promo that’s related to a mobile application.Clues for the game Angry Birds will be hidden in certain toys in over 3,000 stores beginning in late March.Wal-Mart Stores (NYSE:WMT) has potential upside of 6.5% based on a current price of $60.6 and an average consensus analyst price target of $64.56.