The Dow Jones Industrial Average closed down 466.00 points, or 0.94%, at 48,996.08 on Wednesday, January 7;The S&P 500 closed down 23.87 points, or 0.34%, at 6,920.95 on Wednesday, January 7; Nasdaq The Nasdaq Composite Index closed up 37.10 points, or 0.16%, at 23,584.27 on Wednesday, January 7.