Why BioNTech and RedHill Are Soaring This Week, While Novavax Is Sinking

Why BioNTech and RedHill Are Soaring This Week, While Novavax Is Sinking

BioNTech (NASDAQ: BNTX) was up by 15.6% for the week as of the market close on Thursday, according to data from S&P Global Market Intelligence. Shares of Novavax (NASDAQ: NVAX), meanwhile, have lost 14.3%. BioNTech benefited from two positive developments.