Hong Kong will continue to uphold the rules-based multilateral trading system in the face of global economic uncertainty, the city’s chief executive has pledged at an Apec gathering in South Korea, as he encouraged the leaders of Singapore and the United Arab Emirates to invest in major local projects. City leader John Lee Ka-chiu also pitched Hong Kong’s strengths to officials from around the world on Friday, meeting the managing director of the International Monetary Fund (IMF) and several...