The Dow Jones Industrial Average sank more than 1,000 points as the spread of the new coronavirus threatened wider damage to the global economy. The drop was the worst for the index in two years and wiped out its gains so far in 2020. Nervous investors scrambled for safety, loading up on gold, U.S. government bonds and other safe-harbor assets. The price of oil fell sharply on expectations that demand for energy would tumble. The Dow lost 1,031 points, or 3.6%, to 27,960. The S&P 500 fell 111, or 3.4%, to 3,225. The Nasdaq fell 355, or 3.7%, to 9,221.

THIS IS A BREAKING NEWS UPDATE. AP’s earlier story follows below:

The Dow Jones Industrial Average slumpedmore than 800points Monday amid a broad global markets sell-off as a surge in virus cases and a worrisome spread of the disease outside China sent investors running for safety.

The selling, which lost some of its momentum toward the end of the day, wiped out all of the Dow’s gains for the yearand had the benchmark S&P 500 on track for its worst day since August.

More than 79,000 people worldwide have been infected by the new coronavirus. China, where the virus originated, still has the majority of cases and deaths. The rapid spread to other countries is raising anxiety about the threat the outbreak poses to the global economy.

South Korea is now on its highest alert for infectious diseases after cases there spiked. Italy reported a sharp rise in cases and a dozen towns in the northern, more industrial part of that country are under quarantine. The nation now has the biggest outbreak in Europe, prompting officials to cancel Venice’s famed Carnival, along with soccer matches and other public gatherings.

There are also more cases of the virus being reported in the Middle East as it spreads to Iran, Iraq, and Kuwait, among others.

The Dow fell 833 points, or 2.9%, to 28,158 as of 3:15 p.m. Eastern time.At its low point, it lost 1,079 points. The S&P 500 index skidded 91 points, or 2.8%, to 3,245. The Nasdaq dropped 292 points, or 3.1%, to 9,283.

Germany’s DAX slid 4% and Italy’s benchmark index dropped 5.4%. South Korea’s Kospi shed 3.9% and markets in Asia fell broadly.

Investors looking for safe harbors bid up prices for U.S. government bonds and gold. The yield on the 10-year Treasury note fell sharply, to 1.38% from 1.47% late Friday. Gold prices jumped 1.7%.

“Stock markets around the world are beginning to price in what bond markets have been telling us for weeks – that global growth is likely to be impacted in a meaningful way due to fears of the coronavirus,” said Chris Zaccarelli, chief investment officer for Independent Advisor Alliance.

The viral outbreak threatens to crimp global economic growth and hurt profits and revenue for a wide range of businesses. Companies from technology giant Apple to athletic gear maker Nike have already warned about a hit to their bottom lines. Airlines and other companies that depend on travelers are facing pain from cancelled plans and shuttered locations.

Crude oil prices slid 3.7%. Aside from air travel, the virus poses an economic threat to global shipping.

Technology companies were among the worst hit by the sell-off. Apple, which depends on China for a lot of business, slid 3.4%. Microsoft dropped 2.6%. Banks were also big losers. JPMorgan Chase fell 2.1% and Bank of America slid 4.4%.

Airlines and cruise ship operators also slumped. American Airlines lost 8.2%, Delta Air Lines dropped 5.8%, Carnival skidded 7.9% and Royal Caribbean Cruises gave up 7.7%.

Gilead Sciences rose 3.9% and was among the few bright spots. The biotechnology company is testing a potential drug to treat the new coronavirus. Bleach-maker Clorox was also a standout, rising 1.7%.

Utilities and real estate companies held up better than most sectors. Investors tend to favor those industries, which carry high dividends and hold up relatively well during periods of turmoil, when they’re feeling fearful.

The rotation into defensive sectors has made utilities and real estate the biggest gainers this year, while technology stocks have lost ground.

“The yields have been moving lower all year, so that’s providing a tail wind for utilities, for real estate,” said Willie Delwiche, investment strategist at Baird. “Ïn the face of this heightened uncertainty, especially if it’s centered overseas, tech is going to bear some of the brunt of that because it’s been so popular, because it’s done so well, and because it has so much exposure to Asia.”

The sell-off is hitting the market as companies near the finish of what has been a surprisingly good round of earnings. About 87% of companies in the S&P 500 have reported financial results and profits are expected to grow by more than a half-percentage point when all the reports are in, according to FactSet.

In the eyes of some analysts, Monday’s tank job for stocks means they’re just catching up to the bond market, where fear has been dominant for months.

U.S. government bonds are seen as some of the safest possible investments, and investors have been piling into them throughout 2020, even as stocks overcame stumbles to set more record highs. A bond’s yield falls when its price rises, and the 10-year Treasury has been in such demand that its yield has plunged to 1.38% from roughly 1.90% at the start of the year.

The 10-year yield on Monday touched its lowest point in three years, falling from 1.47% late Friday, and it was near its intraday record low of 1.325% set in July 2016, according to Tradeweb. The 30-year Treasury yield fell further after setting its own record low, down to 1.84% from 1.92% late Friday.

Traders are increasingly certain that the Federal Reserve will cut interest rates at least once in 2020 to help prop up the economy. They’re pricing in a nearly 95% probability of a cut this year, according to CME Group. A month ago, they saw only a 68% probability.

Of course, some analysts say stocks have been rising in recent weeks precisely because of the drop in yields. Bonds are offering less in interest after the Federal Reserve lowered rates three times last year — the first such cuts in more than a decade — and amid low inflation. When bonds are paying such meager amounts, many investors say there’s little real competition other than stocks for their money.

The view has become so hardened that “There Is No Alternative,” or TINA, has become a popular acronym on Wall Street. Even with Monday’s sharp drops, the S&P 500 is still within 4.2% of its record set earlier this month.

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AP Business Writer Stan Choe contributed.