Bank profits boost S&P, Nasdaq; consumer stocks weigh on Dow

The S&P 500 and Nasdaq trimmed early gains, but remained higher in early afternoon trading on Friday after strong earnings from large U.S. lenders that bode well for the rest of the earnings season. The Dow was little changed, held back by a drop in consumer stocks after a report showed U.S. retail sales and core retail sales increased less than expected in December. Bank of America, JPMorgan and Wells Fargo all reported quarterly profits that beat analysts' expectations and expressed optimi