The Dow Jones Industrial Average opened up 40.57 points, or 0.09%, at 46,747.15 on Tuesday, October 21.
The S&P 500 opened down 1.25 points, or 0.02%, at 6,733.88 on Tuesday, October 21.
The Nasdaq Composite opened down 16.66 points, or 0.07%, at 22,973.89 on Tuesday, October 21.