The Dow Jones Industrial Average opened down 180.65 points, or 0.39%, at 46,134.62 on Monday, September 22.
The S&P 500 opened down 11.62 points, or 0.17%, at 6,652.74 on Monday, September 22.
The Nasdaq Composite opened down 18.70 points, or 0.08%, at 22,612.77 on Monday, September 22.