U.S. stocks opened lower Friday as banks kicked off earnings reporting for the fourth quarter. The Dow Jones Industrial Average was down 0.7% soon after the opening bell, while the S&P 500 fell 0.8% and the Nasdaq Composite dropped 0.9%, according to FactSet data, at last check. Investors are weighing fourth-quarter results from Wall Street banks including JPMorgan Chase & Co. , Bank of America Corp. , Citigroup Inc. and Wells Fargo & Co. .
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