CNBC World News

The Santa Clara Public Health Department announced a third case of coronavirus in the county possibly transmitted through community spread, which brings the total number of coronavirus cases in California to 10 and the total number of cases in the U.S. to 63.

The San Francisco conference was scheduled for March 16 through March 20. GDC organizers didn't announce new dates.

As of Friday, more than 83,700 cases of coronavirus have been reported, resulting in at least 2,859 deaths.

In a market that raced to its fastest correction in history and the worst week since the financial crisis, it's easy to imagine a frantic dash for the exits in which everyone is selling everything at whatever price they can get.

World Health Organization Director General Tedros Adhanom Ghebreyesus said on Thursday that the virus has "pandemic potential."

The 10-year Treasury yield has fallen more than 20 basis points since Monday as global equities sold off in response to the spreading coronavirus.

Amazon has started restricting all nonessential employee travel in the U.S. as the coronavirus continues to spread.

Google confirmed an employee in Zurich tested positive for coronavirus and the company is now restricting travel to other countries with higher risk of exposure.

Stocks tumbled once again over the coronavirus. The Dow, however, closed well off its session lows.

"I mean, if you look at the numbers, they're coming day by day by day. So I'm very optimistic there," Cook said in an interview.

The Geneva auto show was canceled after Switzerland announced Friday that it was banning events expected to draw more than 1,000 people.

The CDC has released a new diagnostic test for COVID-19 and rolled out guidelines for how state and local health labs can correct previously faulty test kits sent out by the agency.

Sales of Rolls-Royces have fallen "pretty close to zero" in China due to the spread of coronavirus, but the company sees early signs of possible recovery, the company's CEO told CNBC.

"I hope it's not that bad, but we should assume it will be until we know otherwise," Gates wrote in an article published Friday in The New England Journal of Medicine.

Bringing Turkey back into Lockheed Martin's F-35 program, following the nation's messy multibillion-dollar deal with Russia, would be a colossal task for the Pentagon's top weapons supplier.

"The fundamentals of the U.S. economy remain strong," Powell said in a mid-day statement.

Oil prices slumped to their lowest in more than a year on Friday.

Goldman Sachs said it sees three rate cuts from the Federal Reserve from March through June.

The Paris Police tweeted that people were exhibiting "unacceptable violence" while defying a ban on protesting near a concert.

The 9th U.S. Circuit Court of Appeals reinstated a block of the administration's policy forcing migrants seeking asylum in the U.S. to wait in Mexico while the cases play out.