Directional Bias For The Day: S&P Futures are higher; The odds are for an up day with elevated volatility Key economic data due: Final Manufacturing PMI (51.9 vs. 51.7 est.; prev. 51.7) at 9:45 AM ISM Manufacturing PMI ( 50.9 vs. 48.5 est.; prev. 472. ) at 10:00 AM Construction Spending ( -0.2% vs. 0.35%…