UPDATE: 10:15 a.m.

NEW YORK >> Stocks fell sharply on Wall Street today as high-flying technology companies took a tumble after months of spectacular gains.

The benchmark S&P 500 lost 3.5%, its biggest loss since June, and the tech-heavy Nasdaq fell 5%. Both indexes set record highs a day earlier.

Apple, the most valuable U.S. company, slumped 8%. Big Tech companies have made outsize gains this year as investors bet that they would continue posting huge profits, even with many coronavirus restrictions still in place, as people spend more time online with their devices. Treasury yields fell as cautious investors shifted money into bonds.

9:45 a.m.

NEW YORK >> Technology stocks stumbled on Wall Street today, giving back some of their spectacular gains over the past several months and knocking the broader stock market to its biggest loss since June.

The S&P 500 lost 4.1% and the tech-heavy Nasdaq fell 5.6%. Both indexes set record highs a day earlier. The Dow was down nearly 1,000 points, or 3.4%. Big Tech companies like Apple have made outsize gains this year as investors bet that they would continue posting huge profits, even with many coronavirus restrictions still in place, as people spend even more time online with their devices.

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Technology stocks took a steep tumble on Wall Street today, giving back some of their spectacular gains over the past several months and dragging the rest of the market down with them.

The S&P 500 was down 3.5% as of 2:45 p.m. Eastern time, on track for its biggest drop since June, and the tech-heavy Nasdaq fell 4.8%.

Both indexes had set their latest record highs a day earlier, and the Nasdaq is still up nearly 28% for the year. The S&P 500 had been up nine of the last 10 trading days and posted its fifth straight monthly gain in August.

Big Tech companies have made outsize gains in recent months as investors bet that they would continue posting huge profits even with many coronavirus restrictions still in place as people spend even more time online with their devices. Market watchers have questioning recently whether those gains were overdone.

“There’s really very little to justify (these big stocks’ upward move) other than euphoria,” said Mark Hackett, chief of investment research at Nationwide.

Hackett noted the market has “embedded very optimistic assumptions” about the virus’s impact on the economy, as well as on prospects for Congress and the White House coming up with another economic relief package.

The Dow Jones Industrial Average fell 803 points, or 2.8%, to 28.301.

Technology stocks, which account for a significant chunk of the U.S. stock market’s value these days, fell broadly. Apple dropped 7.1%, Amazon lost 5.5% and Facebook gave back 5.1%.

Semiconductor stocks also fell sharply. Nvidia, Qorvo and Advanced Micro Devices fell 8% or more. Even with today’s drop Nvidia is still the biggest gainer in the S&P 500 so far this year.

The stocks that were doing better than the rest of the market were companies whose stocks have been beaten down this year: travel companies and airlines. Carnival Corp was up 6%, Norwegian Cruise Lines was up 5% and Royal Caribbean was up 3%.

Investors were also taking into account the latest economic figures.

The government reported that the number of Americans who applied for unemployment benefits fell last week to 881,000, slightly better than what economists had expected. But that said, companies are still letting workers go at numbers well above those seen in the Great Recession, meaning the jobs picture remains still extremely bleak despite recent improvements.

A gauge of the services sector also came in slightly worse than economists were looking for.

The stock market has rallied this spring and summer after plunging in March as investors realized the economic toll the coronavirus pandemic was going to cause. Most of the rally has been on strong performances from tech stocks, but also a hope that the worst of the pandemic is in the past, despite rising infections in schools and the possibility of a second surge of infections in the fall. Huge amounts of support from the Federal Reserve and Congress have also helped bolster the economy.

Novavax, which is developing a coronavirus vaccine, was up 3% as investors placed bets that a vaccine could come as early as November.

Investors will be paying close attention Friday when the Labor Department releases its August job report. Economists surveyed by FactSet forecast that the U.S. economy created 1.4 million jobs in August, but that would be down from 1.74 million jobs in July. Tens of millions of Americans remain unemployed however, as seen by this week’s unemployment benefits numbers.

A report by payroll processor ADP, widely watched as a forerunner of government employment data due out Friday, showed the private sector added 428,000 jobs in August, less than half the 1 million expected by forecasters.

If tomorrow’s jobs numbers do not deliver, it’s unlikely the stock market will rally much higher from here, analysts said.

Analysts said that could be a warning sign the job market is cooling after some U.S. states reimposed anti-virus controls and the expiration of supplemental unemployment benefits cut into consumer spending.

“Bullish stock market sentiment seems to be nearing a tentative peak as the labor market recovery stalls,” analyst Edward Moya of Oanda wrote in a report.

U.S. crude oil for October delivery fell was down 0.3% to $41.41 a barrel. Brent crude, the international benchmark, fell 0.8% to $44.07 per barrel.