Stocks staggered to a split decision for a fourth straight session which really is no way to honor Muhammad Ali on this his 71st birthday. Debt ceiling deadlock kept a lid on equities although Apple Inc. (AAPL) snapped a three day skid and is now batting over $500 again. The stock fell 3.15% twenty-four hours earlier perilously close to Pi but Piper Jaffray’s Gene Munster soon played pied piper on its shares encouraging investors and indeed other analysts in saying the Cupertino company would sell 50 million iPhones during the December quarter.    US Airways (LCC) endured a similarly torrid Tuesday tumbling 2.45% ...