Directional Bias For The Day: S&P Futures are lower; The odds are for a down day – watch for break above 2913.75 for change of fortune Key economic data due: ISM Manufacturing PMI ( 51.2 est.; prev. 51.2 ) at 10:00 AM Construction Spending  (0.3% est.; prev. -1.3%) at 10:00 AM ISM Manufacturing Prices (…