Exxon Mobil Corporation (NYSE:XOM) has been roaring higher on a major rally that has had some legs. While the move is impressive, the stock is inching into a master short level at $85.60. This is a gap fill going back to May 5th, 2012. Based on the PPT (price, patter and time) method of pivot calculations, this stock should turn lower in this area. The downside target is $83.15.   ...