Elon Musk is no longer the world's richest person, according to Forbes, after a fall in Tesla stock wiped $13.5 billion from his fortune in a day

• Tesla CEO Elon Musk dropped to second on Forbes' list of the richest people, behind Amazon CEO Jeff Bezos.
• Tumbling shares of $4, his electric-vehicle company, on Monday chopped $13.5 billion off his fortune, according to Forbes' calculations.
• Bezos regained the top spot on Forbes' list with a fortune of $182.1 billion, compared with Musk's $176.2 billion.
• Musk takes a small salary from his companies but has substantial stakes in Tesla and SpaceX.

After briefly $4, Elon Musk $4, behind Amazon CEO Jeff Bezos. Tumbling shares of $4, his electric-vehicle company, on Monday chopped $13.5 billion off his fortune.

Musk on Thursday $4; his fortune grew by more than $150 billion in a year.

But Tesla shares fell by nearly 8% on Monday, their largest one-day fall since late September. Based on Forbes' estimates, this pushed his total wealth down to $176.2 billion, compared with Bezos' $182.1 billion fortune.

Despite Musk's wealth loss, his net worth is still $20 billion above Bernard Arnault, the CEO of the French luxury-goods conglomerate LVMH and the world's third-richest person, according to Forbes' estimates.

As of Tuesday morning, Musk still topped $4: It said he had $194 billion compared with Bezos' $183 billion. Its calculations took into account a loss for Musk of $15.6 billion.

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Though Musk takes a small salary from his companies, he $4 and a 48% stake in his aerospace company, SpaceX, as well as 57 million vested Tesla stock options, according to Bloomberg.

Tesla had a booming 2020: It $4, and its stock price $4 over the year.

His compensation package also awards him stock when Tesla achieves certain goals. That made Musk the $4 in 2020, according to Bloomberg.

Musk, who is also known for his $4 and at times cryptic tweets, posted $4 after he was declared the world's richest person on Thursday.

"How strange," he tweeted, $4, "Well, back to work ..."

In December, he told Mathias Döpfner, the CEO of Insider's parent company, Axel Springer, that he was $4.

He recently $4, including three neighboring homes in the Bel-Air neighborhood of Los Angeles.