With the globalization process, which resulted in an intense exchange between the countries, the stock market is becoming increasingly important in the international financial scene. Following this trend, developing countries seek to open their economies to receive foreign investments. Thus, the more developed an economy, more active is its capital market. Being a key channel in fundraising that allows the development of enterprises, creating new jobs and contributing to the country's progress, the stock exchange also constitutes an important investment option for individuals and institutions. In addition to information that will allow you to know how and why to invest in the stock market, this content covers basic concepts of operation of stock exchanges and has a glossary of frequently used terms. So, reading this book will be the first step for those who want to participate in this market.