Possible undercutUS 100CAPITALCOM:US100SupergalacticIf this is an expanding ending diagonal, wave (4) can be considered complete. But according to fibs drawn from wave (1) beginning to top and wave (3) beginning to top one more undercut is possible to 0.76-0.786 and 0.86-0.886 area intersaction at VWAP from August 2 low. Shorting from here is risky, but that area may be a good spot to buy.