Apr 16, 2021 at 10:00AM Last week, we introduced Fools around the world to the first five investments we purchased for this special real-money portfolio. We're back today to bring you the next round of high-conviction stock and fund picks that we believe are well positioned to make money over the next five years. But before we get to this week's picks, we wanted to share some of our Foolish secret sauce for building a winning portfolio. Foolish Commandments for Building a Successful Portfolio Aim for at least 15-25 individual stock positions. A well-diversified stock portfolio should contain at least a few dozen individual stock positions. This is important to ensure that an investor is not overly exposed to the fortunes of just one or two companies.