NYSE Amex Composite Index

AAA

DEFINITION of 'NYSE Amex Composite Index'

An index made up of stocks that represent the NYSE Amex equities market. The NYSE Amex Composite Index is a market capitalization-weighted index, so the weight of each stock depends on the price of the shares and how many are outstanding.

INVESTOPEDIA EXPLAINS 'NYSE Amex Composite Index'

The index is used to quickly judge the overall movement of the NYSE Amex equities market. It was previously known as the American Stock Exchange (Amex) Composite Index and can be found under the symbol XAX.

NYSE Euronext acquired the American Stock Exchange on October 1, 2008, and branded it as NYSE Alternext US, which was then changed to the NYSE Amex Equities in 2009. It is primarily an equity market for emerging growth companies.

RELATED TERMS
  1. S&P/TSX Composite Index

    The Canadian equivalent to the S&P 500 market index in the ...
  2. Capitalization-Weighted Index

    A type of market index whose individual components are weighted ...
  3. New York Stock Exchange - NYSE

    A stock exchange based in New York City, which is considered ...
  4. NYSE Composite Index

    An index that measures the performance of all stocks listed on ...
  5. Toronto Stock Exchange - TSX

    The largest stock exchange in Canada. The Toronto Stock Exchange ...
  6. Dow Jones Industrial Average - ...

    The Dow Jones Industrial Average is a price-weighted average ...
Related Articles
  1. An Introduction To Stock Market Indexes
    Investing Basics

    An Introduction To Stock Market Indexes

  2. The ABCs Of Stock Indexes
    Economics

    The ABCs Of Stock Indexes

  3. Index Investing
    Mutual Funds & ETFs

    Index Investing

  4. Where can I find all of the stocks in ...
    Investing

    Where can I find all of the stocks in ...

comments powered by Disqus
Hot Definitions
  1. Halloween Massacre

    Canada's decision to tax all income trusts domiciled in Canada. In October 2006, Canada's minister of finance, Jim Flaherty, ...
  2. Zombies

    Companies that continue to operate even though they are insolvent or near bankruptcy. Zombies often become casualties to ...
  3. Witching Hour

    The last hour of stock trading between 3pm (when the bond market closes) and 4pm EST. Witching hour is typically controlled ...
  4. October Effect

    The theory that stocks tend to decline during the month of October. The October effect is considered mainly to be a psychological ...
  5. Repurchase Agreement - Repo

    A form of short-term borrowing for dealers in government securities.
  6. Correlation

    In the world of finance, a statistical measure of how two securities move in relation to each other. Correlations are used ...
Trading Center