The Financial Industry Regulatory Authority (FINRA) is a non-profit organization that regulates brokerage firms and exchange markets in the United States. Established in 2007, it aims to protect investors by ensuring that the securities industry operates fairly and honestly. FINRA oversees the activities of approximately 3,600 brokerage firms and 630,000 registered securities representatives. FINRA enforces rules and regulations, conducts examinations, and provides education to both investors and industry professionals. It also administers the licensing of brokers and monitors trading practices to prevent fraud and misconduct. By maintaining market integrity, FINRA helps foster trust in the financial system.