Directional Bias For The Day: S&P Futures are lower New leg down at 7:30 Am after a sideway move from 6:00 PM on September 27; an ABCD pattern; price near the 100% extension target of 2498.25 Odds are for a down day – watch for break above 2505.50 for change of fortunes  Key economic data due: Final GDP (3.1% vs. 3.0% est.) at 8:30…