US stock futures jumped sharply in the past hour after the pharmaceutical company Pfizer announced that its coronavirus vaccine, in cooperation with German BioNTech, was more than 90% effective in preventing infection.
As an initial market response, S&P 500 futures rose to a new record high at 3648. In addition, the Dow E-minis rose 2.45% and the Nasdaq 100 e-minis were Up 2.2%.