The Dow Jones Industrial Average rose 176.15 points, or 0.75 percent, at the open to 23,769.13.
The S&P 500 opened higher by 13.96 points, or 0.55 percent, at 2,559.90. The Nasdaq Composite gained 56.08 points, or 0.83 percent, to 6,809.82 at the opening bell.