Investors put their capital at risk for the sole purpose of generating wealth over time. So which stocks can help them achieve their goal? We asked that question to a team of Fools, and they picked Diageo (NYSE: DEO), Marriott International (NASDAQ: MAR), and Under Armour (NYSE: UA)(NYSE: UAA).Image source: Getty Images.Travis Hoium (Diageo): Sometimes the best way to profit from global trends is to follow what's popular with those who are making the most money (or acting like it).