The S&P 500 index is a measure of the performance of the 500 largest companies in the US stock market. As of 5:20pm ET on June 16th, 2023, it was at **4,205.45 USD**, up **1.30%** from the previous close. The S&P 500 index is one of the most widely followed equity indices in the world and is considered a benchmark for the US stock market.

I hope that helps! Let me know if you have any other questions..