Directional Bias For The Day: S&P Futures are lower; The odds are for a down day with elevated volatility – watch for break above 2795.00 for change of fortune Key economic data due: Retail Sales ( -8.7% vs. -8.0% est.; prev. -0.4%) at 8:30 AM Core Retail Sales ( -4.5% vs. -4.9% est.; prev. -0.4%)…