[A surge of infection cases! The US FDA approved the updated COVID-19 vaccine of Pfizer and Modena] On Thursday, the US Food and Drug Administration (FDA) approved the new COVID-19 vaccine of Pfizer and Modena against the background of the surge of COVID-19 infection cases, to better respond to the current popular COVID-19 virus strain. During the US stock market trading session, Pfizer's stock price fell by about 1%, while Moderna's stock price fell by about 4.5%.