Directional Bias For The Day: S&P Futures are lower; The odds are for a sideways to down day – watch for a break above 3584.25 for change of sentiments Key economic data due: Unemployment Claims ( 881K vs. 955K est.; prev. 1006K) at 8:30 AM Revised Nonfarm Productivity ( 10.1% s 7.3% est.; prev.7.3%) at…