Directional Bias For The Day: S&P Futures are higher The odds are for up day; good chance of moving sideways to down from pre-open levels around 3015.00; elevated volatility – watch for break below 3004.00 Key economic data due: HPI ( 0.1% vs. 0.6% est.; prev. 0.8%) at 9:00 AM S&P/CS Composite-20 HPI (3.9% vs.…