Directional Bias For The Day: S&P Futures are higher The odds are for an up day with good chance of  sideways move from pre-open levels near 3145.00; elevated volatility – watch for break below 3123.75 for change of sentiments Key economic data due: Non-Farm Employment Change (4800K vs. 3037K est.; prev. 2509K) at 8:30 AM…