Some interesting charts in this:
Profits and Balance Sheet Developments at U.S. Commercial Banks in 2009
Federal Reserve Bulletin
Seung Jung Lee and Jonathan D. Rose
Reviews recent developments in the balance sheets and in the profitability of U.S. commercial banks. The article discusses how developments in the U.S. banking industry in 2009 and early 2010 were related to changes in financial markets and in the broader economy.