Significant stock movers of September: Viking soars, Longeveron slides
Viking Therapeutics (VKTX) rose 24% in September after positive Phase 1 data for VK2735, a weight-loss drug, but ended the month down 3.18% due to a $575M financing. Longeveron (LGVN) fell 64% after its stem cell therapy failed a Phase 2b trial, triggering a strategic review. The broader biotech sector declined 3.5% in September.



