Is the S&P 500 Doing Its Job? By: TalkMarkets October 06, 2020 at 18:02 PM EDT Per the S&P U.S. Indices Methodology, the objective of the S&P 500 is to “measure the performance of the large-cap segment of the U.S. market”. That’s it. Read More >> Related Stocks: Catalent Inc Coty Inc Etsy Inc H&R Block Kohl's Corp Teradyne Inc