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Why the S&P 500 Is Lower Today
Motley Fool As the company with the largest market cap in the U.S., Apple has the biggest effect on the S&P 500 of any single stock, with a weighting of 2.7%, yet its jump today is not enough to pull the S&P 500 into the green. Apple is up today after an analyst … Stocks Open Lower, Trade Rises; Apple Advances On Upgrade |