RYTM ▲ +0.4% - Rhythm Pharmaceuticals, Inc. $RYTM - Rhythm Pharmaceuticals Announces New Data Presentations at the European Society for Paediatric Endocrinology Meeting Rhythm Pharmaceuticals rose 0.4% following the company's announcement of new data presentations scheduled for the European Society for Paediatric Endocrinology Meeting. The presentations likely showcase clinical or research developments related to the company's pipeline, which investors viewed favorably enough to lift the stock modestly. 10-SEP-2026 08:00 AM ET