Historical prices for the Standard & Poor's 500 stock-market index can be obtained from websites like Yahoo Finance, using the ^GSPC ticker, or Google Finance, with .INX. Yahoo can even graph the series since 1950. Those numbers, and their corresponding graphs, are useful for evaluating the...
the Sum of the Most Recent Historical Four Quarters Only the U.S.’s largest corporations with stable performance can be added to the S&P 500, and the list is reviewed and updated on a quarterly basis. S&P 500 Eligibility Requirements (Source: S&P Global) Learn More → S&P U.S. Indices...