This is often why the S&P 500 is often addressed for a proxy for describing the overall well being of the stock market or maybe the U.S. financial system. Over the date of publication, Brenden Rearick didn't have (possibly directly or indirectly) any positions within the securities described in https://financefeeds.com/dxfeed-adds-pricesquawks-audible-trading-to-roster-of-solutions-for-retail-brokers/