Thursday is shaping up as a momentous day for banking stocks.
The American Banker 225 Index, which measures the market performance of the largest 225 U.S. banking companies, was up over 10% at midday -- it's largest one-day advance.
The banking rally is part of an overall surge in the Dow, which was up more than 400 points at midday.
| Date | % Increase AB Index |
| 3/16/2000 | 10.57% (midday) |
| 3/15/2000 | 8.66 |
| 9/8/1998 | 8.51 |
| 10/15/1998 | 8.02 |
| 9/11/1998 | 7.33 |
Source: American Banker, ILX





