The article discusses how to make smart investment decisions by creating a diverse portfolio. It explains the basics of financial assets, investing money, and managing risk. The researchers introduce a scientific method for optimizing portfolios, focusing on maximizing returns and minimizing risk. They use mathematical equations to define different types of portfolios and explore the concept of balancing risk and return. The study highlights the importance of considering safety measures to overcome the limitations of traditional risk measures. Overall, the research provides valuable insights into building a well-balanced investment portfolio.