(Bloomberg) -- Before Jerome Powell took the podium on Wednesday, stocks were approaching their highest levels in six weeks, fueling a rebound in the fortunes of some of the world's richest people after a brutal year.
Just as he did in August during an eight-minute speech in Jackson Hole, Wyoming, however, the Federal Reserve chair talked tough on inflation, squashing investor hopes of a decisive pivot away from tightening monetary policy and knocking stocks to the lowest in more than a week.
In the span of that hour-and-a-half from when Powell started speaking to the US stock market close, the top 500 people on the Bloomberg Billionaires Index lost about $59 billion on their public holdings.
In total, Elon Musk saw $9 billion erased from his fortune on Wednesday, Jeff Bezos's wealth declined by $4.8 billion, and Bill Gates, Larry Ellison, Larry Page, Steve Ballmer and Sergey Brin each lost more than $2 billion. The collective net worth of this group of tech billionaires has tumbled by more than $300 billion this year with the US central bank embarking on its most aggressive interest-rate hike campaign in decades.
The S&P 500 Index fell 2.5% on Wednesday, the biggest decline since Oct. 7, after climbing by as much as 1% in the minutes after the Fed released its policy statement that suggested rate increases were entering their final phase. But Powell insisted that central bank officials “still have some ways” to go before policy was tight enough, and that “it is very premature to be thinking about pausing.” The tech-heavy Nasdaq 100 fell by 3.4%.
So far in 2022, the world's 500 richest people, as tracked by the Bloomberg wealth index, have seen $1.6 trillion, or 20%, shaved off their fortunes. The S&P 500 is 21% lower year-to-date.
--With assistance from .
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