when you look about you know the European stock exchange I mean this is an idea that's been floating around uh by European leaders I don't know whether it gets anywhere but what are the actual benefits of that >> well um I think it you know the main concept is to basically create a single liquidity pool which is probably the most important dimension for a market u to basically deal with technological requirements so you have good advanced technology that you're able to you know share the cost across a bigge ...