National association of securities dealers rules of fair practice in economics and finance

The National Association of Securities Dealers, commonly known as NASD, is a self-regulatory organization that oversees the activities of brokerage firms and their registered representatives in the United States. It was established in 1939 and is now a part of the Financial Industry Regulatory Authority (FINRA). The NASD plays a crucial role in maintaining the integrity and fairness of the securities market.