QNTM ▲ +2.7% - Quantum BioPharma Ltd. $QNTM - Quantum BioPharma Ltd. (NASDAQ: QNTM) Filling Key Gap in MS Treatment, Cleared by FDA to Launch Historic Trials Quantum BioPharma rose 2.7% after receiving FDA clearance to launch clinical trials for a multiple sclerosis treatment, marking what the company described as a historic advancement in addressing a key gap in MS care. The regulatory green light to proceed with trials typically signals progress toward potential commercialization, which may have prompted investor buying. 11-SEP-2026 08:30 AM ET