Gold dropped below $1,900 an ounce in London as Pfizer Inc. said a coronavirus vaccine it’s developing prevented more than 90% of infections in a study, potentially speeding the economic recovery from the pandemic and dimming hopes for additional stimulus.
The results from the large-scale trial represent the most encouraging scientific advance so far in the battle against Covid-19, and pave the way for Pfizer and BioNTech SE to seek an emergency-use authorization from regulators if further research shows the shot is also safe.