Trading for futures on the Dow Jones Industrial Average and the S&P 500 were temporarily halted early Thursday after plummeting more than the "limit-down" of 5%.
Hanks and Wilson posted on social media about the disease.
As more people across the United States test positive for the coronavirus, the health emergency is forcing changes to major sporting events.
Two American service members and one British service member were killed in a rocket attack on a base in Iraq on Wednesday.
The Dow Jones Industrial Average plunged more than 1,200 points when markets open Wednesday.
Trump administration working on plans to delay the April 15 tax deadline for most individual taxpayers as well as small businesses because of virus
The Dow Jones Industrial Average plunged more than 700 points when markets open Wednesday.
Major U.S. airlines announced more cuts to domestic flights Tuesday as demand continues to plunge amid the coronavirus outbreak.
Primary voters in the key battleground state of Michigan as well as Missouri, Mississippi, Idaho, North Dakota and Washington state head to the polls.
Tuesday's rally comes after a major rout of financial markets on Monday.