Musk, 49, now one of four centibillionaires in the world, has seen his fortune grow by $73.6 billion this year, a jump still smaller than Bezos’s, who is up by $87.1 billion. Facebook Inc.’s Mark Zuckerberg’s net worth topped $100 billion earlier this month. On Wednesday alone, it rose by $8.5 billion.

U.S. tech tycoons haven’t been the only beneficiaries. India’s Mukesh Ambani became the first Asian to rank among the world’s five richest last month. He’s gained $22.5 billion this year on the back of a boost in shares of his conglomerate Reliance Industries Ltd., whose tech division has attracted recent investments from the likes of Facebook and Silver Lake.

And despite growing tensions with the U.S., China’s tech billionaires have gained this year too. Tencent Holdings Ltd. Chief Executive Officer Pony Ma has amassed $16.6 billion this year and is now worth $55.2 billion. Alibaba Group Holding Ltd.’s Jack Ma and William Ding of NetEase Inc. have also added more than $12 billion each, putting their fortunes at $58.9 billion and $30.8 billion, respectively.

This article was provided by Bloomberg News.

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