Shares of exchange stocks are tumbling after the regulatory approval of perpetual futures for bitcoin ignited concerns that a new wave of trading products could be coming for Wall Street. CME Group , known for its derivatives and futures trading platforms, dropped more than 3% in Tuesday's session and is down around 9% the last two days. Cboe Global Markets , an exchange and derivatives network, plunged 8% in Tuesday trading, bringing its losses for this week to above 17%. New York Stock

Tag-uri: Bitcoin