China's leader Xi Jinping (R) is greeted by Hong Kong tycoon Li Ka-shing (L) before a photo session during Xi's visit in Hong Kong on June 30, 2017. Bobby Yip/AFP via Getty Images
On May 4, Robin Zeng Yuqun, a new immigrant from mainland China, replaced Li Ka-shing as the richest man in Hong Kong when his net worth soared along with the company’s stock prices. In the context of Beijing’s “patriots ruling Hong Kong,” his new status attracted additional attention.