From Sydney to Hong Kong, wealth migration is reshaping the global super-luxury property market as activity picks up after two subdued years – though the dominance of relative newcomer Dubai is now being tested by the war in the Middle East. In Sydney, Peter Li, general manager at Plus Agency, said commission revenues on super-luxury homes had risen about 20 per cent from a year earlier. The firm, which handles more than US$300 million in annual sales, has hired six new staff members since...