The Dow Jones Industrial Average opened up 56.59 points, or 0.12%, at 45,940.04 on Tuesday, September 16.
The S&P 500 opened up 7.02 points, or 0.11%, at 6,622.33 on Tuesday, September 16.
The Nasdaq Composite opened up 24.77 points, or 0.11%, at 22,373.52 on Tuesday, September 16.