With executives from JPMorgan Chase (JPM 1.59%) having gotten a tongue-lashing at their recent appearance before a Senate Hearing Committee, should investors be concerned about the company? In this video, Motley Fool financial analysts Matt Koppenheffer and David Hanson discuss how far JPMorgan has come since its losses related to the London Whale incident. Matt puts those losses into perspective by looking at the company's net revenue on a longer timeline, and gives us his opinion of the Senate hearing.