Part of investors' worries surround the uncertainty over the potential impact of a widespread Covid-19 outbreak in the United States. But that's not all that's worrying investors.
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.
From the streets of Beijing to Milan Fashion Week, people around the world are turning to protective masks and respirators to try and reduce the risk of infection amid the global outbreak of coronavirus.
"I'm urging you to have a lot of cash on the sidelines and put money to work gradually 'cause there may be more bad [coronavirus] stories" next week, the "Mad Money" host said.
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.
"We need to keep this virus slowed down, because health systems around the world, and I mean North and South, are just not ready," a top WHO official said.
Mulvaney, who also heads the Office of Management and Budget, also said that there will "probably" be school closures and transportation issues due to the impact of the virus.