Number of the Week: Big Banks Gobble Up Market Share

``The top five U.S. commercial and investment banks — Bank of America, J.P. Morgan Chase, Citigroup, Wells Fargo and Goldman Sachs — have emerged from the financial crisis larger than ever. As of the third quarter of 2010, they had a total of $8.6 trillion in assets, according to data provider Capital IQ. That’s 13.3% of all U.S. financial firms’ assets, up from 11.8% three years earlier, when the financial crisis hit.''