The Dow Jones Industrial Average opened down 17.50 points, or 0.03%, at 54,019.43 on Monday, August 10. The S&P 500 opened down 1.00 point, or 0.01%, at 7,756.46 on Monday, August 10. The Nasdaq Composite opened down 19.93 points, or 0.08%, at 26,670.69 on Monday, August 10.