Musk now worth more than ExxonMobil after $36.2 bn single-day gain

It’s just one more arresting data point amid a flurry of superlatives, but Elon Musk’s soaring net worth now makes him more valuable than Exxon Mobil. 

The wealth of the world’s richest person jumped to $288.6 billion Monday, according to the Bloomberg Billionaires Index. The $36.2 billion gain followed a surge in Tesla Inc.’s stock price after Hertz Global Holdings Inc ordered 100,000 cars.

Eclipsing the value of an old-economy bellwether like Exxon may seem like an inevitable milestone in Musk’s trajectory. But the oil company’s own share price has been no laggard this year. Despite being overtaken by Musk at the