Stock market today: Dow, S&P 500, Nasdaq slip with focus on jobs report, wait for Mideast moves Yahoo FinanceIndexes ease with U.S. jobs report ahead, Middle East in focus ReutersDow Jones Today: Stocks Slide as Sluggish Start to October Continues; Oil Rises on Middle East Concerns InvestopediaStock Market Today: Dow down 300 points in choppy trade ahead of September jobs report MarketWatchS&P 500 falls on oil spike as rough October continues: Live updates CNBC