Ebola Drug by Tekmira May Be Used on Infected Patients

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Shares of Tekmira Pharmaceuticals Corp. rose the most in almost six years after U.S. regulators said the company could possibly give its experimental Ebola drug to people infected with the deadly disease.

Shares surged 45 percent to $20.70 at 4 p.m. in New York, the biggest one-day gain since October 2008.