PLYX ▼ -0.5% - Polaryx Therapeutics, Inc. $PLYX - Polaryx Therapeutics Appoints Dr. Will Charlton as Chief Medical Officer Polaryx Therapeutics appointed Dr. Will Charlton as Chief Medical Officer, a leadership addition that typically signals progress in the company's drug development pipeline. The stock declined 0.5% on the news, suggesting investors may have been expecting a different announcement or are taking profits following recent moves. 01-SEP-2026 08:32 AM ET