High Quality Content by WIKIPEDIA articles! JPMorgan Chase Co. (NYSE: JPM) is an American multinational banking corporation of securities, investments and retail. It is the largest bank in the United States by assets and market capitalization.It is a major provider of financial services, with assets of $2 trillion and according to Forbes magazine is the world`s largest public company based on a composite ranking. The hedge fund unit of JPMorgan Chase is one of the largest hedge funds in the United States. It was formed in 2000, when Chase Manhattan Corporation merged with J.P. Morgan Co.