Big swings in the market are more normal than investors might expect, but things could get worse

Traders work on the floor of the New York Stock Exchange (NYSE) in New York City, December 8, 2021. Brendan

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Pfizer says its Covid pill with HIV drug cuts the risk of hospitalization or death by 89%

Pfizer said Friday that its easy-to-administer Covid-19 pill, used in combination with a widely used HIV drug, cut the risk

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