The Fed speaks ex cathedra on Wednesday. How to deal with this fact?
Simple: on Monday, Tuesday, and early Wednesday, sit on hands. Post announcement, let everybody else freak out in whichever direction, i.e. continue to sit on hands. [Optional: if you're an aggressive trader, fade the freak out before the day's close.]
Resume normal behavior a day or two later. Thank yourself, and us, for not overtrading the event and making everybody but you (like your broker, market makers, and the exchanges) rich. The end.
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