Investors potentially experienced sales practice violations by securities broker John Demetrios Polemis (also known as John Dimitri Polemis and John Demitrios Polemis) [CRD: 4270012, New York City, New York], based on publicly available information found on Financial Industry Regulatory Authority (FINRA) BrokerCheck. John Polemis worked for Stirlingshire Investments from March 18, 2024, to September 5, […]