This video serves as a comprehensive guide to finance students preparing for their final exam. We begin with an overview of upcoming topics and sessions designed to strengthen understanding before the exam, including strategies for improving midterm grades and accessing helpful resources. The video then dives into the core concepts of portfolio theory, emphasizing the importance of diversification in managing investment risk. We explore key topics like expected return and standard deviation, which are critical for assessing investment performance. Understanding correlation coefficients is also covered to explain how different assets interact and affect overall risk. Additionally, the video distinguishes between unique (unsystematic) and market (systematic) risk, helping students grasp the impact of both types of risk on portfolios. The significance of the market portfolio is introduced, followed by a detailed explanation of beta, which measures stock risk. We also cover the Security Market Line (SML) and its calculation, which is a fundamental concept for evaluating the risk-return tradeoff in investments. Throughout the video, viewers are encouraged to utilize available resources and strategies to ensure success in their exams. Whether you're refining portfolio management skills or preparing for the final exam, this video is packed with valuable insights to help you excel.