US stock futures point to a higher open Tuesday ahead of the last Fed meeting of 2012. Markets are at their highest levels since the election but the action has been characterized by a lack of momentum. While there have been select set-ups in the market for short-term speculators many traders are spinning themselves trying to force trades that aren't there. Thus I believe right now the best approach is to take a step away from the keyboard or at least learn to sit on your hands if you are in front of your screens. The S&P has been ...