Ordinarily, following a big upday only giving back 1 point on the S&P would be exactly what you want, especially when the close held above 1100.  The S&P futures however closed with a perfect doji (open and close within $.25 of each other, which signals indecision in the market and quite often a change of direction or breakout) which is one of the reasons no new trades were added today as talked about last night.