Wall Street set to open up on strong ADP jobs data

Wall Street was set to open higher after data showed that the U.S. private sector added more jobs than expected in May and the European Central Bank left interest rates unchanged at record lows. U.S. private employers added 201,000 jobs last month, a report by a payrolls processor ADP showed, higher than the 165,000 additions in April and economists' estimate of a gain of 200,000 for May. The data is a precursor to the U.S. Labor Department's non-farm payrolls report on Friday, which i