
Investments are becoming increasingly important to people in recent years. With the economic instability scenario and with the great uncertainties, such as those related to social security reform, many people decide to start investing in financial market. But, there is always the doubt in which market assets one the people should invest. In today's dynamic and globalized world, it is necessary to make a decision more quickly more efficiently, bringing positive results and contributing to the growth of an organization. Many investors believe that paying attention to only the return of an asset is beneficial, but they forget that higher returns carry greater risks, so it’s important understanding the mechanisms for calculating a risk so that there is less chance of loss. The key word for risk minimization in a portfolio is diversification; because when investing in several assets, there is a decrease in the impact of a loss of a certain asset.