明晟公司MSCI北欧国家指数下跌4.3%，创4月4日（当天收跌6.4%）以来最差单日表现，报343.08点。10个板块中，北欧医疗保健板块表现最差。诺和诺德跌23.1%，领跌一众成分股。

Core Points - MSCI Nordic Countries Index declined by 4.3%, marking the worst single-day performance since April 4, when it fell by 6.4%, closing at 343.08 points [1] - Among the 10 sectors, the Nordic healthcare sector performed the worst [1] - Novo Nordisk dropped by 23.1%, leading the decline among constituent stocks [1]