Bank stocks, Nvidia and Broadcom, UnitedHealth: Stocks in after-hours

JPMorgan shares stay in the green as bank stocks fall into the red at the end of Friday's trading hours. JPMorgan and Wells Fargo were the first of the bank stocks to report their earnings, both boasting beats this morning. Yahoo Finance Markets Reporter Jared Blikre checks out stock action surrounding bank stocks, semiconductor manufacturers, and health care company UnitedHealth after the closing bell.