Both JPMorgan (JPM -0.51%) and Wells Fargo (WFC 0.48%) reported earnings today, and while both banks beat earnings expectations, they both reported lower revenue, due to declining revenue from the mortgage banking sector. Should investors be viewing this as lackluster results? In this video, Motley Fool financial analysts David Hanson and Matt Koppenheffer discuss why, despite declining revenue, these were both pretty impressive performances.