S&P 500 Movers: WCG, AMZN By: Market News Video January 31, 2020 at 10:21 AM EST In early trading on Friday, shares of Amazon. om topped the list of the day's best performing components of the S&P 500 index, trading up 9.0%. Read More >> Related Stocks: Amazon.com Broadridge Financial Solutions Llc Colgate-Palmolive Wellcare Group