Hong Kong property tycoon Gordon Wu Ying-sheung has predicted that China will overtake the US as the world’s largest economy in the next decade or so, propelled by rapid technological advances while Washington is weighed down by massive defence expenditure and national debt. Yet the 90-year-old founder and chairman of Hopewell Holdings, who rarely speaks to the press, said Hong Kong should look past geopolitical tensions between Beijing and Washington to build closer ties with the United States,