Investors who open their Robinhood (HOOD) app will soon find they can buy and sell more than stocks. The online brokerage app is hoping to be home for many financial transactions from cryptocurrency to predicting outcomes on sports and politics. But should investors buy Robinhood Markets stock itself? Not so fast. There are several other considerations to weigh before jumping… BREAKING: Stock Market At Highs; Huge Earnings, Fed, Trump-Xi Ahead Related news Wall Street is entering the world of prediction mar ...