Pressure from lawmakers is intensifying on the bank. The SEC was also asked to investigate, and the SBA was asked for information about its own enforcement actions.

Carrie Tolstedt, formerly in charge of the community banking unit, and the wirehouse's board were named in the litigation.

The firm failed to detect one of its registered representatives converting $370,000 in client funds for the rep's own use, according to the regulator.

An ex-American Realty Capital executive allegedly overstated a key accounting metric by roughly $13 million, according to the SEC and federal prosecutors.

The RIA owner got insider tips from an attorney drunk on several glasses of wine, according to the SEC.

Nicholas Mitsakos allegedly used the funds to pay his credit card bills and make payments on his Mercedes, authorities charge.

One of the alleged fraudsters used client funds to pay off gambling debts, according to authorities.

Legislation passed by the House offers advisers protection against liability.