The market is lower in early trading on many of the same concerns as well as a fresh dose of economic data that came in below expectations.The ADP Employment report showed private payrolls increased by 133,000 during May, but that was below forecasts for 157,000. The ADP report hasn't been the best indicator of the govt. jobs report on Friday, but forecasts seem to be coming down for that report as well.A revised reading for Q1 GDP came in at +1.9%, which is below the +2.2% preliminary reading. Separately, the Chicago PMI index fell...