Sam Dunlap on Yahoo Finance: GDP Beat Expectations but Still Signals Weakening Economy

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Dow Jones Industrial Average (DJIA): An index that tracks 30 large, publicly-owned companies trading on the New York Stock Exchange (NYSE) and the NASDAQ.

ISM Manufacturing Index: An index that is based on surveys of more than 300 manufacturing firms by the Institute for Supply Management (ISM).

Michigan Consumer Sentiment Index (MCSI): A monthly survey of U.S. consumer confidence levels conducted by the University of Michigan.

NASDAQ Composite: A market capitalization-weighted index of the common stocks and similar securities listed on the NASDAQ stock exchange. 

S&P 500 Total Return Index: An American stock market index based on the market capitalizations of 500 large companies having common stock listed on the NYSE or NASDAQ.

It is not possible to invest directly in an index.