Hong Kong is set for its strongest quarterly growth in almost five years, the city’s finance chief has said, citing a 17 per cent rise in visitor numbers and a 5.2 per cent increase in retail and catering activity.Financial Secretary Paul Chan Mo-po said in his Sunday blog that 602,000 visitors entered Hong Kong in the first two days of mainland China’s Labour Day “golden week”, up 6 per cent year on year.Despite a complex and rapidly changing external environment, Chan said Hong Kong’s...