BEFORE THE BELL: US Stock Futures Turn Lower Ahead Of Payroll DataWall Street JournalUS stock index futures drifted off small early gains to trade slightly lower Friday, with investors firmly focused on the upcoming release of May US employment data, which is expected to show the largest jump in nonfarm payrolls in ...US STOCKS-Futures fall on Europe fears, ahead of jobs dataReutersStock futures fall after disappointing jobs reportThe Associated PressU.S.