Based on the latest available data, the Dow Jones industrial average shot up 115.96 points, or 0.84%, to end unofficially at 13,900.13. The Standard & Poor's 500 Index gained 9.10 points, or 0.61%, to finish unofficially at 1,496.94. The Nasdaq Composite Index advanced 13.40 points, or 0.43%, to close unofficially at 3,129.65.

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