A health worker injects a person during clinical trials for a Covid-19 vaccine at Research Centers of America in Hollywood, Florida on Sept. 9.
Credit:	Eva Marie Uzcategui/Bloomberg/Getty Images

A health worker injects a person during clinical trials for a Covid-19 vaccine at Research Centers of America in Hollywood, Florida on Sept. 9.
Credit: Eva Marie Uzcategui/Bloomberg/Getty Images

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Dow soars more than 1,000 points after Pfizer announces great news about its vaccine and Joe Biden declared victorious

US stocks surged Monday after Pfizer said its Covid-19 vaccine is 90% effective and Joe Biden was projected to be the winner of the presidential election over the weekend.