In the worst year for Chinese stocks since 2008, China’s 10 biggest winners gained almost US$100 billion of additional wealth. Global investors, facing an onslaught of regulatory crackdowns and economic slowdown, were US$5.2 trillion poorer in the broader sell-off. Topping the list is Robin Zeng Yuqun, the chairman and founder of electric-car battery maker Contemporary Amperex Technologies, or CATL, whose fortunes grew as its shares jumped 68 per cent in Shenzhen after a 252 per cent surge in 2020. The rally also enriched a score of senior executives at the parts-supplier to Tesla. Zhang Yiming, China’s richest man under 40...