Surprise S&P 500 entrant launches unexpected trading feature [https://www.thestreet.com/.image/t_share/MTk4NTA5NjczMDEyODY0NDUx/jim-cramer-how-robinhood-turned-etrade-into-a-dinosaur.jpg] Surprise S&P 500 entrant launches unexpected trading feature Robinhood will launch a Social tool the next year. [https://www.thestreet.com/crypto/investing/surprise-s-p-500-entrant-launches-unexpected-trading-feature]
