Directional Bias For The Day: S&P Futures are lower; The odds are for a down day; watch for the break above 3669.25 for change of fortunes Key economic data report due during the day: CPI ( 0.2% vs. 0.1% est.; prev. 0.0%) at 8:30 AM Core CPI ( 0.2% vs. 0.1% est.; prev. 0.0%) at…