This document provides an introduction to portfolio management. It defines a portfolio as a collection of investments held as a group by professional institutions, asset management corporations, and individual investors. The key objective of portfolio management is to maximize returns from investments at a given level of risk. This involves investing in and divesting different assets while managing risk. Portfolios are evaluated using models like Markowitz portfolio theory and modern portfolio theory to measure expected return and risk. Factors like market risk, credit risk, and operational risk must be continuously monitored and managed.