Chinese outbound investment continued its rapid growth, reaching $17 billion over the first five months of 2016 and accounting for 65.6% of the total investment of 2015 at $25.734 billion, according to a new report from DTZ/Cushman & Wakefield. China was the world's second largest source of outbound property investment after the United States at $19 billion. China moved up three spots from the end of last year.