by Ian Salisbury The stock market soared Monday after investors learned some good news about a potential COVID-19 vaccine. But some stocks are faring better than others. Traders, still digesting the results of the recent U.S. election, woke up to more big news Monday morning: Drug makers Pfizer and BioNTech said the COVID-19 vaccine they recently tested in more than 40,000 subjects had proved 90% effective.