Elon Musk lost $27 billion last week

FUERSTENWALDE, GERMANY - SEPTEMBER 03: Tesla head Elon Musk arrives to have a look at the construction site of the new Tesla Gigafactory near Berlin on September 03, 2020 near Gruenheide, Germany. Musk is currently in Germany where he met with vaccine maker CureVac on Tuesday, with which Tesla has a cooperation to build devices for producing RNA vaccines, as well as German Economy Minister Peter Altmaier yesterday. (Photo by Maja Hitij/Getty Images)

(CNN) — Elon Musk’s net worth plunged last week as tech stocks got hammered and Tesla shares’ stunning rise quickly unraveled.

Wall Street is growing increasingly nervous about rising bond yields, which could make borrowing more expensive. That could eat into corporate profits, which is why investors have begun to reverse some of the positions they took over the past year in high-growth but risky tech stocks like Tesla.

Tesla’s stock fell 11.5% last week. Musk, who owns nearly 18% of Tesla’s shares, bore most of the brunt of that massive sell-off.

Musk’s wealth fell by $27 billion last week, according to Bloomberg’s Billionaires Index. The decline in his net value is roughly equal to the entire fortune held by Dyson founder James Dyson — the 52nd richest person in the world, according to Bloomberg.

Musk and Amazon CEO Jeff Bezos have been swapping places atop Bloomberg’s list of richest people in the world since January. But Musk now sits in a distant second place: $157 billion, compared to Bezos’ net worth of $177 billion. Musk remains $21 billion ahead of Microsoft founder Bill Gates, who remains the third-richest person on the planet.

Tesla’s stock gained 743% in 2020, propelling it to No. 5 on the list of most valuable companies on the stock market. After losing 15% this year, Tesla’s stock has since fallen to No. 7, behind Facebook and Berkshire Hathaway but ahead of JPMorgan Chase.

Even if Tesla’s stock continues to sink, Musk still stands to become much richer in 2021 and beyond.

He received four grants to buy 8.4 million Tesla shares in 2020. Each of those was worth $5 billion at Friday’s closing price, although some of that will be shaved off because Musk will have to pay the exercise price. Musk will probably receive three additional options grants this year, each as large and as lucrative as those he received in 2020.

Musk has not exercised any of his options. Executives typically exercise them when they are due to expire, or to free up cash. Musk has never sold Tesla shares.

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