The Dow Jones Industrial Average opened down 160.25 points, or 0.34%, at 47,471.75 on Thursday, October 30. The S&P 500 opened down 37.06 points, or 0.54%, at 6,853.53 on Thursday, October 30. The Nasdaq Composite opened down 194.54 points, or 0.81%, at 23,763.93 on Thursday, October 30.