tonight, on fast, we are charting the sell-off, one top technician lays out the levels to watch and tony dwyer seeing a big opportunity in today's pull-back, why today's weakness could be a set up for a break out and we are breaking down the banks. financials getting smoked and taking a dive in the options market to see where the treade s headed next. the nasdaq plunging 3% and the big driver, new fors out of china. china's evergrande is on the verge of collapse, the potential fall-0 out could rip are he will around the world every s&p 500 sector finishing in the red with financials and energy, the worst performer. what is your take on today's sell-off guy? >> hey, mel, i'm glad you mentioned may, we saw movement like this in may you have been seeing around the edges over the past couple of weebs. you saw it in early may. by the way, you saw this type of move in july as well, and both times, after you know, maybe a weak w week and a half or two weeks you a saw it rebound in a meaningful way. when they are close to 30, it's a level we fail at i thought incorrectly for a while, 4100 is in the cr