Investors potentially experienced sales practice violations by securities broker David Thomas Olsen [CRD: 4823650, Fort Lauderdale, Florida], given the disclosures located on Financial Industry Regulatory Authority (FINRA) BrokerCheck. David Olsen worked for Madison Avenue Securities LLC from October 31, 2017, to December 8, 2023, and again from January 8, 2025, to December 31, 2025. See […]