To help technical traders who may not be technical in the Silicon Valley sense, the Japan nuclear situation can be likened to a MACD chart for 1 day/5-minutes:
Once you see a movement of the black line and red line approaching, and once you realize both lines are below zero on the chart, you could watch the price move up a little and mostly sideways prior to a drop.
But the drop usually comes. No one wants to get confused in no-man's land.
Japan is the 3rd largest economy in the world. If you thought you were concerned about Europe (and you still should be,) Japan is a size 9.0 while the Euro is simply a 4.5.
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