A stock exchange is a financial market where securities such as stocks, bonds and currencies are traded. Through the stock exchange, economic exchange is achieved between investors and companies, as investors buy securities with the hope of making profits from increasing their value in the future, while companies raise capital through issuing shares. Investing in the stock market is an exciting and risky field, as it is affected by economic, political and social factors. It is important to understand the principles of trading and market analysis before entering this field, and to seek the help of financial experts to help make the right decisions.