Shares of beverage and snacking giant PepsiCo (PEP 4.10%) popped on Monday after an analyst upgraded his outlook and raised his price target. As of 1:15 p.m. ET, Pepsi stock was up 4%, which is a big move for this usually sleepy stock. Pepsi's most exciting opportunity Morgan Stanley analyst Dara Mohsenian is one of the highest-rated and listened-to analysts out there and he's turning heads with his commentary on Pepsi stock today. Mohsenian reportedly is looking to Pepsi's growth in international markets a ...