Amazon founder Jeff Bezos has overtaken Bill Gates to become the world’s richest person, worth $91.4bn (£70bn).
A 2.5% rise in Amazon shares on Thursday means Mr Bezos’s wealth has now eclipsed the Microsoft co-founder by $1.4bn, according to Forbes.
Mr Bezos, 53, owns about 17% of the shares in Amazon, whose value has now exceeded $500bn.
The online retailer reports second quarter results after Wall Street closes on Thursday.
For the first three months of this year Amazon’s sales jumped 23% to $35.7bn. The company expects a rise of 16% to 24% for the quarter to June.
In recent years Mr Bezos has focused on his Blue Origin space rocket business and the Washington Post newspaper, which he bought in 2013.
Soaring technology stocks have fuelled huge growth in the worth of entrepreneurs such as Mr Bezos and Facebook founder Mark Zuckberberg, 33, who is now worth $72.6bn according to Forbes.
Here are five things you may not know about Mr Bezos:
1. His spending is rocketing
Earlier this year Mr Bezos paid $23m for an old textile museum in Washington DC. Once it’s converted to a family home, the Bezos family will be near neighbours in the exclusive neighbourhood with the Obamas, as well as Ivanka Trump and her husband Jared Kushner.
At least that’s what the Washington Post reported, a reliable source presumably since Mr Bezos bought the paper in 2013 with $250m of his own money.
The Bezos family also has homes in Seattle and Beverly Hills, but expenditure on property pales into insignificance…