(Bloomberg) — Stocks are extending a global rally on the clearest sign of progress yet in developing a vaccine to stem the Covid-19 pandemic.
Futures on the S&P 500 jumped 3% after news that the vaccine being developed by Pfizer Inc. and BioNTech SE prevented more than 90% of infections in a study of tens of thousands of volunteers. Contracts on the Russell 2000 Index of small-cap stocks surged 7%.
Pfizer’s Covid Vaccine Prevents 90% of Infections in Large Study
The vaccine announcement…
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