8月19日，美股三大指数集体高开，道琼斯指数涨0.37%，标普500指数涨0.41%，纳斯达克综合指数涨0.36%。
Moderna涨超84%，mRNA癌症疫苗三期试验成功，黑色素瘤治疗迎来历史性突破。医药股大涨，BioNTech SE涨超17%，默沙东涨超8%，诺瓦瓦克斯医药涨超6%。
SK海力士涨近5%。公司拟回购40万亿韩元并注销。
迈威尔科技涨超10%。消息面上，公司表示已向谷歌发行最多5897万股认股权证，行权价格设定为每股206.58美元。
NEBIUS跌超6%，公司拟发行45亿美元可转换优先票据。
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