in the case off altara, interesting. that happened quickly.ll of those options traded in 130 milliseconds. we're talking a about an eighth of a second. the stock didn't halt for a period of time there. >> how often does it happen like that? the stock goes up 25%? that's the point. often times, you get a 3%, 5% move, retail people are the ones driving it up the last few percent and smack down. >> trading weeks from the deal. >> my point is you obviously have to look at it on a case-by-case basis. there was time in martha stewart. gotten ahead of the headline. and altara, there was a window of time before it stock ended add traded dollars higher. >> that's the reality were all of the computers. >>> coming up, making it rain with their ambarella trade. what their next move is after the stock took a beating today. that and the "final call," next. here at td ameritrade, they work hard. wow, that was random. random? no it's all about understanding patterns like the mail guy at 3:12 every day or jerry, getting dumped every third tuesday. this happens