From the low of 330.50 to the high of 417 (correction low that I posted 318.25) the retracements are 38%=383.75 50% 373.75 and 618%=363.50. I have orders in for clients to buy at 373.75 right now. IMHO could buy there and just risk a close under 370. Not going to get married to the trade. Try and take profits then at the 5 day ma.