Tesla CEO Elon Musk has overtaken Facebook’s Mark Zuckerberg to become the world’s third-richest person with a fortune of $115.4 billion as compared to Zuckerberg’s $111 billion, according to Bloomberg. Musk’s fortune has grown by $87.8 billion in 2020 as Tesla shares surged almost 500%. Reliance Industries Chairman Mukesh Ambani is the world's eighth-richest person with nearly $80 billion wealth.