Directional Bias For The Day: S&P Futures are limit down since 6:00 PM on Sunday The odds are for a down day with elevated volatility; Key economic data due: Empire State Manufacturing Index ( -21.5% vs. 5.1% est.; prev. 12.9%) at 9:30 AM TLC Long-Term Purchases (est. 72.5B; prev. 85.6B) at 4:00 PM Directional Bias…