The world's richest billionaires have lost a combined $403 billion since US President Donald Trump's inauguration, with Berkshire Hathaway CEO Warren Buffett the only gainer, with his fortune increasing by about $16 billion, according to data from the Bloomberg Billionaires Index.
Tesla CEO Elon Musk had the biggest loss, losing about $145 billion, followed by Amazon founder Jeff Bezos, who lost $50 billion, and Meta CEO Mark Zuckerberg, who lost about $39 billion.


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