The Dow Jones Industrial Average opened up 108.80 points, or 0.22%, at 49,570.88 on Wednesday, January 7; Nasdaq The S&P 500 opened down 24.59 points, or 0.10%, at 23,522.59 on Wednesday, January 7;The S&P 500 opened up 1.01 points, or 0.01%, at 6,945.83 on Wednesday, January 7.