Moderna ( soared more than 20% during Black Friday’s abbreviated session of trading on Wall Street and were up another 9% Monday, too. )
BioNTech ( surged 14% Friday and were up 3% Monday while the European drug maker’s vaccine partner, Big Pharma leader )Pfizer (, gained 6% Friday and 1% Monday. )
Shares of Novavax (, another company that is )seeking approval from the United States’ Food and Drug Administration for its Covid vaccine, were up 9% Friday and were flat Monday.
The stocks of two other vaccine manufacturers — Johnson & Johnson ( and )AstraZeneca ( — moved only modestly Friday and Monday. )
Investors are hoping that the major vaccine makers will be able to quickly update their Covid vaccines so that it can offer protection for the Omicron variant.