Bezos’s wealth has tracked Amazon’s valuation in a long steady climb, but plateaued along with the company’s stock price.

Tesla, meanwhile, has ascended on the strength of its global auto sales, wildly popular brand, and Musk’s vision for a global energy and transportation powerhouse. Today, the company is now worth more than all nine of the world’s largest automakers—combined. It’s all part of Musk’s “secret” 2006 master plan to sell affordable electric vehicles along with zero-emission energy. And let’s not forget Musk’s Master Plan, Part Deux: ubiquitous electric vehicles, solar roofs, and safe self-driving robo-taxis.

Although the company’s financials don’t necessarily support such a stratospheric valuation, Musk has argued the company’s stock price is about the future. “Tesla is absurdly overvalued if based on the past,” Musk tweeted in 2017, a time when Tesla was worth just $37 billion. “A stock price represents risk-adjusted future cash flows.”

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