Directional Bias For The Day: S&P Futures are little changed; moving down since 0:30 AM after rising by nearly 20 points Daily and weekly trends are down Odds are for a sideways to down day with elevated volatility – watch for break above 2591.75 and break below 2577.00 for more clarity Key economic data due: PPI (est. -0.1%; 0.1% prev.) at 8:30 AM Core PPI (est. 0.2%; 0.31% prev.)…