SHANGHAI, Feb. 11 (Xinhua) -- U.S. carmaker Tesla's new Megafactory in Shanghai, dedicated to manufacturing its energy-storage batteries Megapacks, launched production on Tuesday, marking a ...

HONG KONG, Feb. 11 (Xinhua) -- The Hang Seng Index gained 134.84 points, or 0.63 percent, to open at 21,656.82 points on Tuesday.