if the government cracks down on index funds US exchanges will be at a huge disvantage to international ones. cme also dropping like a stone
the bad news for ice is all but priced in imo. CME, being the big dog was pulling the sector down today. news that NMX deal in doubt. FWIW on ICE, I think that their voluntary measures will have averted regulation provided we see a short dip in crude. Also the CBOE news is bullish.