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[U.S. stocks fluctuate higher, S&P 500 index expands gains to 1%] U.S. stocks fluctuate higher, S&P 500 index expands gains to 1%.
[U.S. stocks fluctuate higher, S&P 500 index expands gains to 1%] U.S. stocks fluctuate higher, S&P 500 index expands gains to 1%.