The Securities and Exchange Commission (SEC) is a U.S. government agency responsible for regulating the securities industry. Its primary mission is to protect investors, maintain fair and efficient markets, and facilitate capital formation. The SEC enforces securities laws and oversees the activities of stock exchanges, brokers, and investment advisors. The SEC also requires public companies to disclose important financial information, ensuring transparency for investors. By monitoring market activities and enforcing compliance, the SEC aims to prevent fraud and promote investor confidence in the financial system.