Moderna and Other Vaccine Stocks Climb Amid Concerns About Coronavirus Study in China

Group 1 - Concerns regarding coronavirus news from China influenced stock movements, particularly benefiting vaccine manufacturers like Moderna, Pfizer, and Novavax, while travel-related stocks like Norwegian Cruise Lines declined significantly [1][2] - Moderna experienced the largest gain among the S&P 500, rising over 5%, while Norwegian Cruise Lines fell more than 6%, marking it as one of the top decliners on the index [1] - Reports from various media outlets indicated that Chinese researchers identified a bat coronavirus potentially capable of transferring to humans, which may have contributed to the stock fluctuations [2] Group 2 - The overall market was affected by multiple factors, including an investigation by the Justice Department into UnitedHealth Group, which negatively impacted health insurers' shares [2] - Economic data and policy uncertainty were cited as additional reasons for the downward trend in the markets, with cruise stocks facing pressure from potential U.S. tax implications mentioned by Commerce Secretary Howard Lutnick [3]