|Sen. Carl Levin, center, huddles with Sen. John McCain as Sen. Tom Coburn looks at notes during Tuesday's Senate panel questioning Goldman Sachs executives about the firm's trading of derivatives of subprime mortgages.|
Shaky German banking giant gives up another 7%.
The Securities Exchange Commission found that Merrill Lynch did not have proper trading controls in place to stop "mini-flash crashes" on particular stocks.
A proposed rule that requires more capital for the largest banks might hurt JPMorgan and Wells Fargo, but separate changes could benefit smaller banks.