Wall street index live cnn 500
A daily volume chart of the S&P 500 from January 3, 1950 to February 19, 2016. Logarithmic graphs of S&P 500 index with and without inflation and with best fit lines. The S&P 500, or simply the S&P, is a stock market index that measures the stock performance The S&P 500 is maintained by S&P Dow Jones Indices, a joint venture