(June 11, 2024, 9:56 AM EDT) -- TAMPA, Fla. — A securities trade association alleges in a complaint filed in Florida federal court that the U.S. Securities and Exchange Commission violated the Freedom of Information Act (FOIA) by withholding all responsive documents related to its investigations of broker-dealers that used unauthorized personal devices to communicate with clients during the COVID pandemic, arguing that the commission improperly invoked an FOIA exemption without explanation....