With his wealth rising over $50 billion so far in 2023, Elon Musk, Twitter chief and Tesla chief executive, on February 28 became the world's richest person again, according to the Bloomberg Billionaires Index. He surpassed French businessman Bernard Arnault who now stands second on the list with a total wealth of $185 billion. Musk's total wealth, on Tuesday, stood at $187 billion.

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