Directional Bias For The Day: Futures are almost unchanged Within a narrow horizontal channel since12:30 PM on April 27 Channel upper limit 2388.75, lower limit 2383.00 – upper target 2394.50, lower target 2377.25 Odds are for a range bound day; watch for break above 2388.75 and break below 2383.00 for change of fortunes Key economic data: Advanced Q1 GDP – 0.7% vs.…