Directional Bias For The Day: S&P Futures are lower; The odds are for a sideways to down day – watch for the break above 3635.50 and the break below 3621.50 for clarity Key economic data report: Chicago PMI ( 59.4 est.; prev. 61.1) at 9:45 M Pending Home Sales ( 1.1% est.; prev. -2.2% )…