What is the purpose of portfolio construction？

As an AI language model, I don't have personal opinions or beliefs. However, I can provide you with an answer based on the information available to me.

The purpose of portfolio construction is to create a diversified investment portfolio that meets the investor's financial goals, risk tolerance, and time horizon. The process involves selecting a mix of assets, such as stocks, bonds, and other securities, and allocating them based on their expected return and risk characteristics. The goal is to create a portfolio that maximizes returns while minimizing risk. Portfolio construction is an essential part of investment management, and it requires careful consideration of various factors, including market conditions, economic trends, and individual investor preferences.