Coronavirus Patients Respond to Gilead’s Remdesivir, Shares Surge 16% Coronavirus Patients Respond to Gilead’s Remdesivir, Shares Surge 16% By Christa Brandon on April 17, 2020 Gilead Sciences’ shares soared 16% in after-hours trading Thursday following a media report detailing encouraging partial data from trials of the U.S. firm’s experimental drug remdesivir…