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The Dow Jones Industrial Average rose 45.75 points, or 0.18 percent, at the open to 25,192.14. The S&P 500 opened higher by 2.49 points, or 0.09 percent, at 2,774.84. The Nasdaq Composite gained 8.17 points, or 0.11 percent, to 7,697.41 at the opening bell.