Longman Dictionary of Contemporary English
stock index
noun
EXAMPLES FROM CORPUS
▪ A stock index does not oscillate with such frightening amplitude as we have witnessed recently unless to announce some tectonic change ahead.
▪ Since then the CBoT has launched various bond and stock index futures contracts though many have been delisted due to insufficient trading volumes.
▪ The benchmark stock index, by comparison, gained 8 percent.
▪ The Dow Jones stock index closed down 7.68 at 2,687.93.
▪ The impasse sent Hong Kong stocks plummeting and the colony's main stock index closed 5.1 percent lower.
▪ Within a few years, feds also will be able to invest in a small-cap and an international stock index fund.
WordNet
stock index
n. index based on a statistical compilation of the share prices of a number of representative stocks [syn: stock market index]