Traders reacted to stocks' steep sell-off on Thursday, which saw the Dow Jones Industrial Average post its largest daily percentage drop since the 1987 crash.
Large venues such as Barclays Center and Madison Square Garden will likely be closed for months as officials try to contain the fast-spreading coronavirus.
Apple, Facebook, Alphabet, Amazon and Microsoft lost a combined $416.63 billion on Thursday as fears about the coronavirus and its effects on the economy continued to scare investors.
The world's leading forces in live entertainment have recommended that large scale events taking place through the end of March be postponed due to the coronavirus outbreak.
The novel coronavirus, now named COVID-19, was declared a pandemic on March 11, 2020. It is the sixth pandemic named in about a century. So when does a disease become a pandemic, and what does the designation mean for governments and markets? CNBC's Tom Chitty explains.
President Trump said that markets will be "just fine" as U.S. stocks sold off in yet another dramatic session fueled by worries over the coronavirus outbreak and the administration's response to it.