Shares of several COVID-19 vaccine makers soared this week as of the market close on Thursday. Novavax (NASDAQ: NVAX) was the biggest winner, with its stock skyrocketing 31.7%. BioNTech 's (NASDAQ: BNTX) shares vaulted 23.3% higher. Moderna (NASDAQ: MRNA) stock jumped 17.7%. Shares of Dynavax Technologies (NASDAQ: DVAX) rose 10.6%.
Was there a common denominator for all of these vaccine stocks ? Increasing fears about the delta variant likely played a role to some extent. However, each company also had good news of its own.
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Why COVID Vaccine Stocks Moderna, BioNTech, Novavax, and Dynavax Soared This Week