Hong Kong aims to host fairs on robotics, yachts and small jets – events never before held in the city – to cement its status as an international exhibition hub and attract big spenders, the commerce minister has said.Secretary for Commerce and Economic Development Algernon Yau Ying-wah on Sunday said the push was in response to the HK$100 million (US$12.78 million) budgeted to “attract large international exhibitions with new elements to Hong Kong”.Yau said the government was brainstorming...