Tesla’s stock jumped 3% overnight, propelling billionaire CEO Elon Musk back to the top of the world’s wealth rankings. According to sources, Elon Musk’s net worth is $236 billion, only ahead of Amazon’s Jeff Bezos, who has a net worth of $196 billion. Since the Tesla entrepreneur took over in January, the month his worth reached $210 billion, Musk and Bezos have been vying for the top spot. Tesla’s stock ended the day at $843.03 a share, up 3% on the day. This brings the automaker’s year-to-date gains to almost 20%.

Musk responded to a Twitter user who claimed that Musk’s fortune had grown to 861 billion dogecoins, making him more valuable than Bill Gates and Warren Buffett combined. Musk stated, “Hopefully enough to extend life to Mars.” Tesla and SpaceX CEO Elon Musk’s net worth has increased by $60 billion this year alone, thanks to the electric carmaker’s strong performance and a recent stock sale at SpaceX that increased the company’s valuation to more than $100 billion.

With net worths of $164 billion and $130 billion, respectively, LVMH CEO Bernard Arnault and Microsoft co-founder Bill Gates are ranked 3rd and 4th. Meanwhile, Warren Buffett, the CEO of Berkshire Hathaway, is ranked 10th with a net worth of $103 billion. In Monday’s premarket session, Tesla shares were trading 0.7% higher at $848.99 per share.