Shares of clinical-stage biopharmaceutical company Syndax Pharmaceuticals (SNDX) fell 3.2% in early Monday trading. The company presented updated data for its revumenib combination therapy at the 2025 American Society of Hematology (ASH) annual meeting, demonstrating high response rates and minimal residual disease negativity in cohorts of newly diagnosed and post-transplant acute myeloid leukemia patients.