American International Group (AIG 2.41%), American Capital Agency (AGNC -0.65%), and Wells Fargo (WFC -0.16%) were all big newsmakers this week, but what did it tell us about their long-term potential? In this segment from The Motley Fool's everything-financials show, Where the Money Is, banking analysts Matt Koppenheffer and David Hanson look back on the week and tell viewers what they learned.