Novavax and Moderna Shares Fall as Citi Assesses Vaccine Sector Volatility

Shares of Novavax Inc (NASDAQ:NVAX) and Moderna Inc (NASDAQ:MRNA) declined on Wednesday after both companies rose in the previous session following reports of a suspected pneumonic plague case in Russia. Novavax shares fell 11% after gaining 20% on Tuesday, while Moderna declined 6% following a 7% increase in the prior session.