(November 6, 2023, 3:07 PM EST) -- WASHINGTON, D.C. — Several amicus curiae briefs filed Nov. 3 in the District of Columbia Circuit U.S. Court of Appeals reiterate arguments made by the Financial Industry Regulatory Authority (FINRA) and the United States that FINRA is not subject to the appointment and removal requirements under the U.S. Constitution because it is a private, non-government entity and oppose arguments by a securities broker who says that FINRA operates with the power of a government authority but no constraints....