The Dow Jones Industrial Average closed down 341.41 points, or 0.66%, at 51,179.87 on Wednesday, October 7. The S&P 500 closed down 17.20 points, or 0.22%, at 7,801.73 on Wednesday, October 7. The Nasdaq Composite closed down 61.20 points, or 0.22%, at 27,538.69 on Wednesday, October 7.