Chinese President Xi Jinping visited Wuhan, the epicenter of the coronavirus outbreak, on Tuesday, the first time he has done so since the epidemic began and a sign that Beijing believes its efforts to control the virus are working.  His arrival in the city, where the virus is believed to have first taken hold late last year, comes after its spread in mainland China has sharply slowed in the past week and as attention has turned to preventing imported infections from overseas hot spots such as Iran, Italy and South Korea. News of the visit gave a lift to Chinese stocks, with the blue-chip index .CSI300 climbing back into positive […]