Stock market today: Dow, S&P 500 slide from records as rally loses steam amid growing risks

US stocks ended mixed Wednesday as investors absorbed a promised deal to send Venezuelan oil to the US and digested fresh jobs data leading into the all-important monthly report. The tech-heavy Nasdaq Composite (^IXIC) rose about 0.2%. But the S&P 500 (^GSPC) declined 0.3%, retreating from a record-high. The Dow Jones Industrial Average (^DJI) fell almost 1%, or over 450 points, pulling back from back-to-back record setting sessions. Wall Street is grappling with a growing set of risks — among them Vene ...