Interest rate numbers were wrong on more than one million customer account statements, the regulator said.
The agencies accused the Pasadena, Calif.-based broker-dealer of multiple violations involving lack of supervision.
Sentinel Advisory Group was formerly with Northwestern Mutual.
Ameriprise and LPL are being sued by clients over similar accounts.
John Nicholas Matson of San Diego was charged with three counts of fraud as the agency seeks a jury trial.
Brokered deposits have long raised concerns because they can be a quick fix for troubled banks.
Prosecutors said Ronald Diaz scammed an elderly client out of $867,000 that was supposed to be used for annuities.
The two firms are often fighting for each other's reps. Now Ameriprise says LPL has gone too far.
Investors were falsely told that the "L bonds" were guaranteed, the agency said.
The suit follows one against LPL. Both firms said in earnings calls last week they weren't changing rates.
Ellen Zentner was head of U.S. macroeconomics at Morgan Stanley since 2015.
Industry groups are “virtually certain to succeed” in their lawsuit to overturn the rule, the court ruled.
With college athletes now earning income, IMG Academy is looking to Merrill to provide financial education.
LPL Financial's Q2 adjusted earnings per share came in at $3.88, as the firm didn't change sweep rates.
The Wisconsin team has taken at least $30 million in client assets out the door, according to Prudential's suit.
While other firms have raised rates on parked money, the broker-dealer said it doesn't understand the hubbub.
Raymond James is learning how to grow without adding many advisors.
Robert Jackson said the problems that existed before the regulation still exist.
State regulators said the late rep had swindled $4.5 million from clients over 30 years.
Wells Fargo, Morgan Stanley and Merrill Lynch have used earnings calls to publicize changes. Is LPL next?