Directional Bias for the Day: S&P Futures are higher at 9:00 AM. Moving sideways since 4:00 PM on Wednesday within a narrow range. Odds are for a sideways day. Watch for a break above 5577.50 or a break below 5634.00 for clarity. The economic data due during the day: PPI m/m (0.2% vs. 0.1% est.;…