After Tesla Inc. shares slid 8.6%, wiping $15.2 billion from his net worth, Elon Musk is no longer the world’s richest person. Teslas’ share price is now below the level at which it had entered S&P500 index.

Tesla’s biggest decline since September was fueled in part by Musk’s comments over the weekend that the prices of Bitcoin and smaller rival Ether “do seem high.” His message which came via his favoured medium of Twitter came two weeks after Tesla announced that it added $1.5 billion in Bitcoin to its balance sheet.

Musk had also earlier tweeted that the company’s Model Y Standard Range SUV would still be available “off the menu,” backing up reports from electric vehicle news site Electrek that the model had been removed from its online configurator.

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Musk dropped to second on the Bloomberg Billionaires Index of the world’s 500 richest people with a net worth of $183.4 billion, down from a peak of $210 billion in January. Amazon.com Inc. founder Jeff Bezos reclaimed the top spot even as his fortune fell by $3.7 billion to $186.3 billion.

The two billionaires have been swapping places since January as the value of Tesla fluctuated. The stock surged as much as 25% to start 2021 before wiping off almost all of this year’s gain. Musk briefly overtook Bezos after his rocket company SpaceX raised $850 million earlier this month, valuing the company at $74 billion, a 60% jump from August.

Bezos occupied the top spot on the ranking for three straight years prior to January, & subsequently, Musk eclipsed the e-commerce titan thanks to a 794% rally in Tesla shares, with Bezos again reclaiming his spot.

The market selloff hit many of the world’s ultra-rich. Zhong Shanshan, Asia’s wealthiest person, was the second-biggest decliner on the Bloomberg index, dropping by $5.1 billion as his bottled-water company fell 4.5%. Colin Huang of Pinduoduo Inc., Reliance Industries Ltd.’s Mukesh Ambani, and Tencent Holdings Ltd.’s Pony Ma all lost more than $2.5 billion each.