From A Trillion Dollar Stock Market To Trillion Dollar Companies
September 19, 2018 at 05:42 AM EDT
When it was first officially established on 3 March 1957, the S&P 500 had a total market capitalization of $172 billion. At the end of 1982, the market capitalization of the entire S&P 500 had grown to more than $1 trillion in 1982.
