China's stimulus package has sparked a surge in trading volume that took international investors by surprise, according to Bonnie Y Chan, CEO of Hong Kong Exchanges and Clearing Limited (HKEX), during a panel discussion on "Decoding China's Economy: Present and Future," co-produced by CGTN and the World Economic Forum. Announced last September to support high-quality development, the stimulus measures have had a significant impact on the Hong Kong stock market. Take a listen.