{固定描述} U.S. stocks climbed sharply on Tuesday, driven by a strong rally in semiconductor shares as investors positioned for Nvidia's upcoming quarterly results. The Dow Jones Industrial Average jumped 647.44 points, or 1.31%, to close at 50,011.32, reflecting broad optimism across major indices.
Wall Street Gains Ground as Chip Stocks Surge Ahead of Nvidia Earnings - {财报副标题}
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