Shionogi Jumps After Covid-19 Antiviral Pill Seen Effective

Shionogi's Covid-19 drug used in the ongoing clinical trials.
Source: Shionogi & Co.

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By Kanoko Matsuyama

February 1, 2022 at 12:53 AM UTC

Updated on

February 1, 2022 at 6:24 AM UTC

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Japanese drugmaker Shionogi & Co. shares rose the most in more than 20 months after disclosing its antiviral pill for Covid-19 was effective in a study.

Shionogi shares jumped 10% to 7,091 yen at 3 p.m. in Tokyo. Before today, the stock had fallen 21% this year.