(ANSA) - BEIJING, APRIL 21 - The Hong Kong Stock Exchange opens the session in negative territory: the Hang Seng index drops 0.78%, slipping to 20,780.84 points.
The Shanghai Composite lost 0.40% in the early stages, to 3,138.43 points, while the Shenzhen Composite lost 0.53%, to 1,975.22 points.
(HANDLE).