BriaCell Therapeutics tumbles 10% during regular trading on melanoma vaccine milestoneUS Stock Market UpdateAug 24, 2026 at 03:43 PMBriaCell Therapeutics(BCTX.US) 盘中跌近10%,现报3.67 美元。公司个性化黑色素瘤疫苗 Bria-MEL+ 近期达成基因工程关键里程碑,但市场反应负面。