Global financial markets plunged for the sixth consecutive day on Thursday, with coronavirus fears shaving over 1,100 points off the Dow (^DJI) — its biggest in history — and sending the S&P 500 (^GSPC) swooning to its fastest-ever correction.

[Click here to see what’s happening in Friday’s stock market trading session]

“Global markets were down $1.83 trillion today, with the U.S. down $1.33 trillion,“ S&P Dow Jones’ Howard Silverblatt said in an email. He added that over the past six days, global markets erased $6 trillion in wealth with U.S. markets losing $4 trillion.

Investors took fright amid the first coronavirus case in the U.S. involving a person who didn’t travel to an infected country and didn’t knowingly interact with someone who did. Meanwhile, California’s governor said the state is monitoring more than 8,400 people who could possibly have the virus.

The virus continues to spread globally, with more than 82,000 cases and more than 2,800 deaths. The world’s biggest hot spots outside of China include Italy, South Korea, and Iran, where the death rate is higher than other hard-hit areas. Experts are becoming increasingly resigned to a worldwide spread of the disease, even as China’s new infections slow.

All of those developments hammered global markets.

The last six days saw the S&P 500 drop by 10% from its all-time high at rate faster than it ever has before, according to Deutsche Bank Securities.

View photos S&P Correction More

*To be clear, a “correction” is characterized by a 10% decline from a recent all-time high. And so, while Black Monday (Oct. 19, 1987) saw the market crash in a single day, the peak in that cycle actually occurred two months earlier in August.

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4:00 p.m. ET: Dow drops more than 1,100 points after news California is monitoring thousands of possible cases

S&P 500 ( ^GSPC ) : -4.42% or -137.63 points to 2,978.76

Dow ( ^DJI ): -4.42% or -1,190.95 points to 25,766.64

Nasdaq ( ^IXIC ) : -4.61% or -414.29 points to 8,566.48

Crude oil ( CL=F ): -4.90% or -2.39 to $46.34 a barrel

Gold ( GC=F ): -0.10% or -1.60 to 1,641.50 per ounce

10-year Treasury (^TNX): -0.84% or -0.0110 to 1.2990

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2:55 p.m. ET: Meanwhile, in the Treasury market...

In a sign of how aggressively investors are seeking out safe-havens, the 10-Year US Treasury Yield hit an intraday record low of 1.246%, according to Tradeweb data, while the 30-Year US Treasury Yield also set a fresh record at 1.783%.

The last time yields were this low? Yesterday.

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View photos The state of coronavirus outbreak as of 2/27/20. (Graphic: David Foster/Yahoo Fiannce) More

2:05 p.m. ET: Stocks relapse on news that California is monitoring thousands of potential cases

The Golden State, which on Wednesday reported the first “community spread” case, is now monitoring 8400 people for potential coronavirus infections, according to Governor Gavin Newsom. Stocks had pared the day’s losses, but are now falling back toward session lows.

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12:35 p.m. ET: Stocks still in the red, but cut losses by more than half

Whipsaw trading in midday brings major benchmarks well off their lows: At the day’s lows, the Dow had lost nearly another 1000 points. There’s no immediate trigger point but could signal that the current selling wave may be exhausting itself (too much too soon):

S&P 500 ( ^GSPC ) : 3,088.95, down 27.44 or -0.88%

Dow ( ^DJI ): 26,700.11, off 257.48 or -0.96%

Nasdaq ( ^IXIC ) : 8,888.63, off 92.14 or -1.03%

Crude oil ( CL=F ): $47.17, off $1.56 or -3.20%

Gold ( GC=F ): 1,647.70. up $4.60 or 0.28%

10-year Treasury (^TNX): 1.3040, off -0.0060 or -0.46%

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12:15 p.m. ET: JPMorgan shaves growth forecasts, says Fed may have to go to zero