caught our eye on a really good follow up to one we brought you yesterday i want to bring in dimitri kovtun in athens studio to talk about these stories and look who is back shannon donahoe in the control room we miss you shannon we're happy to have you back i know our audience missed you too. so yesterday we told you about the computer jeopardy champion watson who is going to work on wall street citi group hired him it whatever it is will now u.b.s. had floor trader art cashin is talking about artificial intelligence to say machines may explain some of the unusual synchronization in the financial markets yesterday so the dow was down one point five and five seven percent the s. and p. down one point five four percent crude down one point six percent ball down one point seven percent a little odd one of our passions he said this he said that's a remarkably tight uniformity in a group of widely different assets such a cookie cutter result suggests the very strong influence of the. i should've made that sound a little darker. computer trading so is this judgment day our machines taking over a