The suit accuses the agency of "dystopian surveillance" of U.S. trading activity.
The inquiries focus on a wealth management arm that has swelled into Morgan Stanley's biggest business.
The groups, arguing the proposal has been rushed, asked government officials to get more public input.
The Treasury Department has proposed a rule requiring all SEC advisors to have anti-money-laundering programs.
A Finra panel sided with a broker who claimed the firm defamed him in a Form U5 filing.
The SEC has now penalized 14 registered investment advisors in its crackdown on marketing infractions.
The investigations are looking at the bank's efforts to prevent money laundering, according to published reports.
Observers say the Biden administration is moving swiftly to prevent Republicans from overturning the rule in a new Congress.
The securities industry group wants Finra to reform how it handles broker termination disputes.
Only 10% of respondents said they have all the tech they need.
Few in the advisory industry view the fiduciary proposal as a cure-all.
Ex-Hightower advisor Lars Knudsen got a restraining order after accusing the firm of poaching his clients.
Meanwhile, Mariner's CEO sees advisors missing a huge opportunity.
The SEC said the firm's revenue-sharing agreement made mutual funds more costly to clients.
Peter Doelger and his wife sued JPMorgan over investments they allege never should have been allowed.
The firm is seeking a temporary restraining order against a former rep at its Newport News, Va., office.
CFP Board General Counsel Leo Rydzewski also feels the DOL fiduciary rule can withstand a court challenge.
The DOL has provided insurance agents with an opportunity to advance the practice of retirement income distribution planning.
Christopher Turean used his client's money to gamble on sports and pay off a home equity loan.
One securities attorney said to expect more client complaints based on Reg BI standards.