NEW YORK, March 11 -- As Donald Trump took the oath of office on January 20, billionaires like Elon Musk, Jeff Bezos, and Mark Zuckerberg stood behind him, wealthier than ever.

However, just seven weeks later, five of these billionaires have collectively lost US$210 billion (RM929 billion) of their net worth, according to a Bloomberg report.

Market optimism surged after Trump's re-election, with the S&P 500 hitting record highs and tech stocks soaring.

Musk's Tesla nearly doubled in value, Meta gained 19 per cent in Trump's first four weeks, and LVMH saw a US$12 billion boost.

Yet, expectations that Trump's policies would sustain these gains have collapsed amid mass layoffs and tariff uncertainty.

Now, the S&P 500 has fallen nearly 7...