Directional Bias For The Day: S&P Futures are higher; but down from early European sessions The odds are for an up day following a historic down previous day; extreme volatility; Key economic data due: Retail Sales ( -0.5% vs. 0.2% est.; prev. 0.6%) at 8:30 AM Core Retail Sales ( -0.4% vs. 0.1% est.; prev.…