Investors' concerns over the regulatory crackdown has led to sharp sell-offs on China's share markets, reducing the market capitalisation of some of its largest companies including Alibaba Group Holding Limited.

By Devon Pendleton Normal text size Larger text size Very large text size Elon Musk's year of dizzying ascents hit a new apex on Monday (US time) as the Tesla co-founder passed Bill Gates to become the world's second-richest person.