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index definition - finance
A statistical indicator that measures changes in financial markets or the economy. In the case of economic indicators, the Producer Price Index (PPI) is one example of an index. An index also can be a group of stocks representing a particular segment of the market. Well-known indices are the Dow Jones Industrial Average, the S&P 500 Index, the NASDAQ Composite Index, and the Russell 2000 Index.

Webster's New World Finance and Investment Dictionary Copyright © 2003 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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