JPMorgan Chase reports mixed results as Dimon defends Fed chief

JPMorgan Chase reported lower fourth-quarter profits Tuesday as CEO Jamie Dimon endorsed Federal Reserve independence and offered an upbeat reading on the US economy.Dimon, who has struck a cautious tone in some recent quarters, characterized the United States outlook as "pretty positive," while also offering a strong defense of Federal Reserve Chair Jerome Powell, who is under investigation by President Donald Trump's Justice Department.