U.S. Stocks Open Slightly Higher As Fed Prepares To Meet

U.S. stocks opened marginally higher, as investors remained cautious ahead of the start of the Federal Reserve's much-anticipated two-day meeting. The S&P 500 opened 5 points, or 0.3%, higher at 1,983. The Dow Jones Industrial Average added 45 points, or 0.3%, to 16,645 at the open. The Nasdaq Composite began the day up 8 points, or 0.2% at 4,869.

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