美国生物技术公司莫德纳（Moderna, Inc.）周三盘后股价大幅下跌6.44%，引发市场关注。这一跌幅可能与美国食品和药物管理局（FDA）即将召开的COVID-19疫苗相关会议有关。
据报道，FDA计划于5月22日召开专家会议，讨论COVID-19疫苗对即将开展的免疫接种活动的建议。这次会议是在新任FDA局长马丁·马卡里（Martin Makary）上任后召开的。值得注意的是，马卡里此前曾对COVID-19大流行期间的某些公共卫生措施表示担忧，并反对强制公众接种疫苗。这一立场可能引发了投资者对未来疫苗政策变化的担忧。
此外，FDA近期进行的大规模裁员也引发了市场对治疗和疫苗监管审查可能中断的担忧。作为主要COVID-19疫苗生产商之一，莫德纳的业务可能受到这些因素的影响。投资者似乎正在权衡这些不确定性对公司未来发展的潜在影响，导致股价出现较大幅度下跌。市场将密切关注即将举行的FDA会议及其可能带来的政策变化。
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