News Flash: Jeff Bezos Is Rich'Alexa, is Jeff Bezos officially the world's richest person yet?'

In case you were wondering, Jeff Bezos is not hurting for cash.

AsBloombergnotes, a jump in Amazon shares this morning pushed Bezos's net worth to $90.9 billion, which tops the cash pile of thatothertech billionaire, Bill Gates, who's at $90.7 billion.

不要太兴奋(或沮丧)。的market is a fickle beast, so a dip in Amazon's stock means Gates could retain his title as the world's richest person come 4 p.m., when the markets close.

Amazon's quarterly earnings call isscheduledfor today at 5:30 p.m. ET, at which point Bezos could revel in his status as Very Rich Person or weep in shame at Gates's continued dominance.

AMarch listof the world's richest people fromForbesput Gates in the number-one position, followed by Warren Buffet and Bezos at number three. That same month, Bezos unseated Buffett andmoved into second place,Bloombergreported, and in May,Timeput Bezosin the number-one spot ahead of Gates and fashion exec Amancio Ortega. So do with that what you will.

To most of us, this type of news will be met with a shrug: $90.9 billion vs. $90.7 billion? Seriously? But a number of these execs do at least donate a good chunk of their wealth to philanthropic efforts. Bill and Melinda Gates are part of的Giving Pledge, a group of billionaires who have promised to give away the majority of their wealth.

As theNew York Timesnotes, Bezos has not signed on to the Giving Pledge, though in June, heasked Twitter followersfor ideas about how he should shape his "philanthropy strategy." TheBezos Family Foundationis run by his parents, theTimessays, but Bezos does not play an active role.