ADP's private sector payroll report could be more important than usual, since the Fed opened the door to hiking rates in September. Friday's August government employment report is the big chunk of data markets are awaiting, but ADP is a kind of warm-up to that number. "Post-Jackson Hole, all eyes are on data. It's been improving, and I don't expect the jobs data is going to be any different," said Art Hogan, chief market strategist at Wunderlich Securities. Fed officials, at a symposium in Jackson Hole, Wyoming, last week, made it clear a rate hike in September is a possibility, though the market is only pricing in ... (full story)