News Dow surges 1,300 points to intraday record as Pfizer says vaccine effective November 9, 2020November 9, 2020 Jessica Menton, USA TODAY Comments Off on Dow surges 1,300 points to intraday record as Pfizer says vaccine effective U.S. stocks catapulted to records Monday after Pfizer said its experimental vaccine was more than 90% effective in preventing COVID-19.