Gilead Tumbles After Latest Data Leak on Virus Drug Trials
A scientist at Gilead Sciences Inc., analyzes patient antibody levels at the Gilead Sciences Inc. laboratory in California, U.S.. (Photographer: David Paul Morris/Bloomberg)

Gilead Tumbles After Latest Data Leak on Virus Drug Trials

(Bloomberg) -- Gilead Sciences Inc. shares were whipsawed for the second time in a week after a summary of a Chinese trial of its Covid-19 drug appeared to show that it was a failure.
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