Directional Bias For The Day: S&P Futures are lower; The odds are for a down to sideways day; watch for a break above 3810.50 and break below 3768.00 for clarity Key economic data report due during the day: CPI ( 0.4% vs. 0.4% est.; prev. 0.2%) at 8:30 AM Core CPI ( 0.1% vs. 0.1%…