7月30日，阿尔尼拉姆制药公司盘中下跌20.29%，报218.605美元/股，成交额1.84亿美元。
消息面上，公司发布第二季度财报：调整后每股收益1.84美元，同比大幅增长；营收12.91亿美元，低于市场一致预期的13.2亿美元。更为关键的是，公司将全年净产品收入指引由此前的49亿至53亿美元下调至47亿至51亿美元，引发市场对增长放缓的担忧。
此前美银证券已对核心产品Amvuttra的长期净价格侵蚀表达关切，预计竞争压力将持续至2031年，并将目标价从460美元下调至410美元。营收不及预期与指引下调共振，验证了市场对竞争格局恶化的担忧，导致股价承受显著抛压。
（以上内容均基于市场公开消息，由程序或算法智能生成，仅作为股价异动提醒，不作为投资建议或交易依据。）
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