S&P 500, Dow end lower ahead of key jobs data, Nasdaq up ReutersStock market today: Dow, S&P 500 continue September swoon ahead of pivotal jobs report Yahoo FinanceStock Market Today: Why Stocks Are Down Again; August Jobs Report; Broadcom Earnings After the Close; Nvidia, C3.ai, Tesla, and More Movers Barron’sBusiness The EconomistS&P 500 futures are little changed as traders gear up for big August jobs report: Live updates CNBC