Dow, S&P 500 dragged down by financials after mixed big bank results

The Dow and the S&P 500 fell on Friday as declines among heavyweight financial stocks led by JPMorgan made for a weak start to the fourth-quarter earnings season, while the Nasdaq edged higher as some big technology stocks regained lost ground.

Eight of the 11 major S&P 500 sectors fell in early trading, with financials falling 1.3%. The S&P 500 banks index slid 1.8% from a record high hit in the previous session.

JPMorgan Chase & Co tumbled 4.9% on reporting weaker performance at its trading arm, even as it beat earnings expectations for the fourth quarter. The bellwether lender also warned