Directional Bias For The Day: S&P Futures are volatile due to Non-Farm Payroll; mostly sideways since 4:00 PM on Thursday Odds are for a down day; Volatile day; watch for break above 2910.25 and below 2897.25 for more clarity Key economic data due: Non-Farm Employment Change (134K vs. 185K est.) at 8:30 AM Unemployment Rate (3.7% vs. 3.8% est.) at 8:30 AM…