Standard & Poor's 100 Stock Index
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An index, weighted for market capitalization, of 100 blue chip stocks from a variety of industries. The stocks listed on the S&P 100 are the top 100 stocks on the S&P 500 by market capitalization. Its ticker symbol is OEX, and it was originally operated by the Chicago Board Options Exchange. See also: Dow Jones Industrial Average.
Standard & Poor's 100 Stock Index (S&P 100)
A market-capitalization-weighted measure of 100 major, blue chip stocks representing diverse industry groups. It is best known by the ticker symbol OEX.