Directional Bias For The Day: S&P Futures are higher; moving sideways with up bias since 4:30 PM on December 11 Odds are for a sideways day, with an up bias – watch for break above 2673.50 and break below 2666.25 for change of fortunes Key economic data: Core Retail Sales (1.0% vs. 0.6% est.) at 8:30 AM Retail Sales (0.8% vs. 0.3% est.) at 8:30 AM Import Prices…