The Securities And Exchange Commission (SEC) is a U.S. government agency responsible for enforcing federal securities laws and regulating the securities industry. Its primary mission is to protect investors, maintain fair and efficient markets, and facilitate capital formation. Established in 1934, the SEC oversees securities exchanges, brokers, and dealers, ensuring transparency and fairness in the financial markets. It plays a crucial role in preventing fraud and insider trading, thereby fostering trust in the financial system.