Directional Bias For The Day: S&P Futures are higher ; The odds are for an up day; watch for a break below 3645.50 for change of fortunes Key economic data report due during the day: Empire State Manufacturing PMI (4.9 vs. 6.3 est.; prev. 6.3) at 8:30 AM Import Prices (0.1% vs. 0.3% est.; prev.…