HomeDefinitionsCompareDebt S&P 500 Composite IndexThe financial definition for S&P 500 Composite Index:Index of 500 widely held common stocks that measures the general performance of the market. Similar MatchesComposite tapeComposite tapeSee: Tape NYSE composite indexNYSE composite indexComposite index covering price movements of all new world common stocks listed on the New York Stock Exchange. It is based on the close of the market on December 31, 1965, at a level of 50.00, and is weighted according to the number of shares listed for each issue. Print changes in the index are converted to dollars and cents so as to provide a meaningful measure of changes in the average price of listed stocks. The composite index is supplemented by separate indexes for four industry groups: industrial, transportation, utility, and finance. Click to compare definitions of S&P 500 Composite Index Click to view definitions beginning s- |