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  2. Consolidated Quotation System - Wikipedia

    en.wikipedia.org/wiki/Consolidated_Quotation_System

    The Consolidated Quotation System (CQS) is the electronic service that provides quotation information for stock traded on the American Stock Exchange, New York Stock Exchange, and other regional stock exchanges in the United States and also includes issues traded by FINRA member firms in the third market.

  3. Nasdaq, Inc. - Wikipedia

    en.wikipedia.org/wiki/Nasdaq,_Inc.

    Nasdaq, Inc. is an American multinational financial services corporation that owns and operates three stock exchanges in the United States: the namesake Nasdaq stock exchange, the Philadelphia Stock Exchange, and the Boston Stock Exchange, and seven European stock exchanges: Nasdaq Copenhagen, Nasdaq Helsinki, Nasdaq Iceland, Nasdaq Riga, Nasdaq Stockholm, Nasdaq Tallinn, and Nasdaq Vilnius.

  4. Nasdaq - Wikipedia

    en.wikipedia.org/wiki/Nasdaq

    The Nasdaq Stock Market (/ ˈ n æ z d æ k / ⓘ; National Association of Securities Dealers Automated Quotations) is an American stock exchange based in New York City.It is the most active stock trading venue in the U.S. by volume, [3] and ranked second on the list of stock exchanges by market capitalization of shares traded, behind the New York Stock Exchange. [4]

  5. Consolidated Tape Association - Wikipedia

    en.wikipedia.org/wiki/Consolidated_Tape_Association

    If the quote is a NASDAQ market maker quote, CQS also calculates a NASDAQ BBO. CQS disseminates the Market center's root quote with an appendage that includes the National and NASDAQ BBOs. In the event that a market center is experiencing technical difficulties in providing quote information, CQS also has a facility that, at the direction of ...

  6. Companies listed on the New York Stock Exchange (N)

    en.wikipedia.org/wiki/Companies_listed_on_the...

    Stock name Symbol Country of origin Nabors Industries: NBR: United States: NACCO Industries: NC: United States: Nam Tai Property Inc. NTP: Hong Kong: National Bank Holdings Corporation NBHC: United States: National Bank of Greece: NBG: Greece: National Fuel Gas: NFG: United States: National Grid plc: NGG: United Kingdom: National Health ...

  7. Securities information processor - Wikipedia

    en.wikipedia.org/wiki/Securities_Information...

    The rule changes were subsequently challenged by Nasdaq, the New York Stock Exchange, and other exchange groups in the courts before finally being upheld by the D.C. Circuit Court. [8] In September 2023, following the DC circuit's ruling, the SEC issued an order directing the exchange groups to submit a new NMS plan, referred to as the CT Plan.

  8. Nasdaq Composite - Wikipedia

    en.wikipedia.org/wiki/Nasdaq_Composite

    The Nasdaq Composite (ticker symbol ^IXIC) [2] is a stock market index that includes almost all stocks listed on the Nasdaq stock exchange. Along with the Dow Jones Industrial Average and S&P 500 , it is one of the three most-followed stock market indices in the United States.

  9. National Market System - Wikipedia

    en.wikipedia.org/wiki/National_Market_System

    In 1972, before the Securities and Exchange Commission (SEC) began its pursuit of a national market system, the market for securities was quite fragmented. The same stock sometimes traded at different prices at different trading venues, and the NYSE ticker tape did not report transactions of NYSE-listed stocks that took place on regional exchanges or on other over-the-counter securities ...