First level of resistance is the 38.2% retracement of last nights fall, which comes in at 136.30. If an hourly top forms below this level, then sell with a tight stop. Above there, the next level of resistance is the 61.8% at 136.95 and the same strategy applies, as it does with the previous high around 137.50.
Support is at 135.30 and 133.90.