Hong Kong's affluent amass at least HK$10 million (US$1.28 million) in liquid assets by the age of 39, with the majority relying on investments to grow their wealth, according to a survey by HSBC. These wealthy individuals take, on average, eight years to increase their wealth to HK$10 million after they earn their first HK$1 million, the HSBC Affluent Survey released on Friday showed. A similar survey in 2023 showed the average age for Hongkongers to become a millionaire, with HK$1 million in assets, was ...