Elon Musk Overtakes Bill Gates to Become World's Second-Richest Person

Tesla co-founder Elon Musk has overtaken Bill Gates to become the world's second-richest person, only one week after he overtook Facebook's Mark Zuckerberg to become the third richest.According to Bloomberg's Billionaires Index, a recent surge in Tesla's share price saw Musk's net-worth rise by $7.2 billion USD to $127.9 billion USD, a move that now sees him behind Amazon boss Jeff Bezos in the rankings.After announcing it will be joining the S&P 500 index of leading U.S. companies last week, Te...