National Association of Securities Dealers - NASD
A self-regulatory organization of the securities industry responsible for the operation and regulation of the Nasdaq stock market and over-the-counter markets. It also administrates exams for investment professionals, such as the Series 7 exam.
Investopedia Commentary
The NASD watches over the Nasdaq to make sure the market operates correctly.
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See also: Nasdaq, Nasdaq National Market Securities - Nasdaq-NM, Over-The-Counter - OTC, Over-The-Counter Bulletin Board - OTCBB, Self-Regulatory Organization - SRO, Series 7, Stock Market
Also spelled: NASD