ADP Reports Private Payrolls Increase of 109000 in April Exceeding Forecasts China Confirms Order for 200 Boeing Aircraft Highlights Aviation as Key Area for US Cooperation AsiaPacific Markets Poised for Broad Gains as Oil Retreats on USIran Peace Hopes From Singapore to Brussels World Leaders Eye Potential TrumpXi Summit AAR Corp AIR Shares Surge After Strong Earnings Report Zscaler Plunges 31 in Historic SingleDay Decline After Cautious Outlook and Sales Restructuring April Jobs Report Preview Cooling Labor Market Shows Resilience Economists Say