U.S. stocks opened slightly higher Thursday as better-than-expected data from China and rising commodity prices helped boost sentiment. The S&P 500 opened 4 points, or 0.2%, higher at 1,923. The Dow Jones Industrial Average added 41 points, or 0.3%, to 16,328. The Nasdaq Composite began the day up 5 points, or 0.1%, at 4,624.
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