By Bret Kenwell United Parcel Service is trading lower on the earnings report. Is it due to snap higher or test key support? Check the chart. United Parcel Service (UPS) – Get United Parcel Service, Inc. Class B Report shares on Tuesday are tipping lower by about 3%. That’s after the package-delivery giant reported earnings before the open. While the stock is off its session low — it was down about 4.7% — it’s not the reaction that the bulls were hoping for. That’s for two reasons. First, UPS stock recently erupted to new highs in February when it reported earnings, climbing more than 14% in o…