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Susie Buffett sat next to someone who had just returned from a trip to Spain and subsequently rested positive for COVID-19, the Omaha World-Herald reported.

Night clubs, movie theaters, small theater houses and concert venues will also close, according to de Blasio.

Grasping for elusive monetary nostrums will continue to deflect attention from the failure of trans-Atlantic public health policies to offer prevention against a pandemic, writes Michael Ivanovitch.

The U.S. Federal Reserve on Sunday announced a suite of measures aimed at cushioning the U.S. economy from the virus outbreak, including lowering benchmark interest rates to zero.

Alphabet's Verily on Sunday night launched a pilot of a COVID-19 screening and testing website in the San Francisco Bay Area, a day earlier than it said it would.

The airline said it was working night and day to keep as much pay as possible flowing to employees, even if the situation worsens and "demand temporarily plummets to zero."

Financial experts weigh in on how young people can invest their money amid the coronavirus-induced market rout.

Joe Biden and Bernie Sanders met for the first one-on-one Democratic primary debate of the 2020 cycle on Sunday.

Former Vice President Joe Biden committed to picking a woman as his running mate during Sunday's Democratic debate.

Berlin is trying to stop Washington from persuading a German company seeking a coronavirus vaccine to move its research to the United States.

Biden and Sanders, in a one-on-one Democratic primary debate, cast themselves as better equipped to handle the coronavirus pandemic than President Trump.

Conferences, festivals, parades, concerts, sporting events and weddings were some of the examples of events that should be postponed.

CNBC's Michael Santoli surveys the market wreckage.

Treasury yields fell after the Fed cut rates and launched a new quantitative easing program to soften the economic blow from the coronavirus outbreak.

The Federal Reserve announced it will begin buying $200 billion of mortgage-backed bonds, a move that will stabilize and likely lower mortgage rates, which moved sharply higher last week.

NASA, Boeing, Lockheed Martin and Blue Origin are taking measures in response to coronavirus but SpaceX appears to move forward unabated.

"The coronavirus outbreak has harmed communities and disrupted economic activity in many countries," the Fed said.

Goldman Sachs sees no economic growth for the U.S. as the coronavirus outbreak roils markets and business activity.

The central bank chair said he is focusing on interest rates and other "liquidity tools" to keep credit flowing and financial markets operating properly.

"We will maintain the rate at this level until we're confident that the economy has weathered recent events," Powell said.