Elon Musk's personal fortune increased by $36.2 billion on Monday after Hertz Global Holdings – a car rental company – ordered 100,000 Tesla vehicles.
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According to the Financial Post, it was the biggest one-day gain in the history of the Bloomberg Billionaires Index, surpassing Chinese tycoon Zhong Shanshan's $32-billion surge last year.
Musk's net worth now sits higher than the market values of Exxon Mobil and Nike.
Tesla shares also rose 13% amid the Hertz order, nudging its market value above $1 trillion.