Directional Bias For The Day: S&P Futures are lower; moving sideways to down since 7:00 AM on Thursday The odds are for a sideways to down day – watch for break above 2898.75 and break below 2881.75 for clarity Key economic data due: Retail Sales ( 0.5% vs. 0.7% est. ; 0.3%) at 8:30 AM…