Robinhood shares soar 14% after getting long sought addition to S&P 500

S&P Global said Friday that Robinhood will replace Caesars Entertainment in the stalwart U.S. market index. The change will take place before the beginning of trading on Sept 22.Shares jumped more than 14% in midday trading on Monday. If that holds through the closing bell, Monday would mark the stock's best day since early April.Robinhood shares surged after S&P Global said it would add the online brokerage to the S&P 500 , ending months of speculation about its addition.Robinhood's inclusion follows sever ...