wondering what impact it had when white shoe old guard firms got into this business like goldman sachs the ninety nine when it acquired whole what did this do in terms of setting the trend well it accelerated it they could see the direction the world was going and you know goldman and these other banks had big market making operations humans on the phone doing trading and i think they knew the if they stuck with that and they didn't get in this new business that was really booming in the late ninety's partly because of day trading. partly some new regulations came along there was a scandal at nasdaq that you know. really knocked out the market makers and you know they are smart you know they can see where the world is going. the night sorry goldman bought a whole trading like you mentioned knight capital is getting bigger the higher frequency firms are coming along. and you know within a few years they were really dominating so the banks put money into it essentially and you know they had the money they could back the trading operations and help them grow and just quickly before we go another int