Hong Kong is the only place in China capable of replicating the financing model of US tech giant SpaceX, which leverages market forces to grow rapidly, former leader Leung Chun-ying has said, urging the city to develop professional services for the emerging aerospace industry.Leung, a vice-chairman of the Chinese People’s Political Consultative Conference, the country’s top political advisory body, also called on Hong Kong to make trade-offs when formulating its first five-year plan,...