They can certainly say they no longer track the 500 leading large-cap companies on the US exchanges. The S&P 500® is widely regarded as the best single gauge o

They can certainly say they no longer track the 500 leading large-cap companies on the US exchanges. The S&P 500® is widely regarded as the best single gauge of large-cap U.S. equities. The index includes 500 leading companies and covers approximately 80% of available market capitalization.