Despite enormous volumes, the U.S. trading system is holding up well, says the Securities and Exchange Commission's Brett Redfearn.

Should the virus spread in the U.S. as it is spreading in Italy, U.S. earnings could see similar declines.

Strategists debate how long it will take to contain the coronavirus outbreak as it hits the United States and roils markets.

Stocks moved higher on Tuesday as investors bet on fiscal stimulus to ease the coronavirus crisis.

The New York Stock Exchange is prepared for the possibility that someone working on its trading floor may contract coronavirus.

Blaming short sellers is misguided. European countries have banned short selling but their markets continue to fall.

Under a program called the Secondary Market Corporate Credit Facility, the Federal Reserve will buy corporate bond and exchange traded funds.

Trading firms had two main concerns about traders working from home: Would the technology work and would traders be able to effectively interact with each other and their clients. So far, traders are adapting.

Robert Whaley, who created the original VIX in 1992, says the most important thing for markets is to reduce the uncertainty around the coronavirus crisis.

Cashin was in a car accident in early February (he was not driving) and has been recuperating. We spoke to him by phone from his home.

As companies deal with declining cash flow amid the coronavirus pandemic, they are likely to cut or even suspend dividends.

"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.

Concerns over coronavirus have roiled markets and torched hundreds of billions in paper wealth from the world's billionaires over the past month. But last night's declines could be the largest overnight wealth loss in nearly a decade.

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.

"Our death toll curve is now worse than when China was at the same stage," Haven CEO Dr. Atul Gawande tells CNBC.

Phil Town, best-selling author and self-made millionaire, recommends reading these five stock market legends if you want to become a competent investor.

Warren Buffett said he is optimistic that the U.S. economy will re-emerge even after being dealt a body blow by the coronavirus pandemic.

Buffett said Berkshire sold its entire stake in United, American, Southwest and Delta Airlines, worth more than $4 billion on December 31.

Warren Buffett has again ditched the airline sector as coronavirus threatens to be a challenge too big for him to stomach.

Berkshire Hathaway's 2020 annual shareholder meeting, the "Woodstock for Capitalists," was hosted virtually for the first time ever.

Airline shares were headed for another day of sharp declines, this time after Warren Buffett said Berkshire Hathaway's cashed out of its stakes in the four largest carriers.

The crude crush continues after yesterday's surge. With CNBC's Seema Mody and the Futures Now traders, Brian Stutland from the CME and Anthony Grisanti at the NYMEX.

Crude rebounds. Is a rally on the horizon? With CNBC's Seema Mody and the Futures Now traders, Brian Stutland and Jim Iuorio, both at the CME.

Trade with China is the 'big unknown' for the Federal Reserve as it decides how best to support the U.S. economy, says Council on Foreign Relations Director of International Economies Benn Steil.

Silver reverses after a brief surge. With CNBC's Seema Mody and the Futures Now traders, Jim Iuorio and Scott Nations, both at the CME.

Jim Cramer says now may not be the time to buy shares of General Electric despite a recent upgrade from a key analyst.

Kim Forrest, founder and chief investment officer at Bokeh Capital Partners, and David Ellison, portfolio manager at Hennessy Funds, join 'The Exchange' to discuss markets.

A high-yield options play. With CNBC's Melissa Lee and the Options Action traders, Carter Worth, Mike Khouw and Tony Zhang.

CNBC's Eamon Javers on a report that Chinese and Iranian hackers have tried to hit U.S. vaccine manufacturers and researchers. CNBC contributor and former Principal Deputy Director of National Intelligence Sue Gordon weighs in on the report.

Cortera Founder and CEO Jim Swift on how states are doing with their business reopening plans.

Guiding small businesses through reopening after they've been shuttered for weeks by the coronavirus pandemic. Pantegrion Capital's Alicia Syrett, which invests in dozens of businesses, offers small business owners advice. Josh Brown, Ritholtz Wealth Management, and Nina O'Neil of Archer Investment Management offer advice for investors looking to hold on to recent gains. With CNBC's Sharon Epperson.

Lee Igel, NYU Tisch Institute for Global Sport, on the role sports could play in helping people get beyond the coronavirus pandemic.

Dr. Simon Rego, Montefiore Health System in New York, on the mental health crisis spurred by the coronavirus pandemic.

The coronavirus pandemic has crushed the global economy, and a recession is inevitable in the U.S. as the Federal Reserve warns the second quarter will be much worse than Q1. The auto industry has been hit particularly hard as car sales tank. But here is why some experts say that Tesla is better off than other U.S. automakers to get through this downturn.

Amazon will invest heavily in Covid-19 testing for its employees.

United Airlines had reported a first-quarter pretax loss earlier this month.

Apple did not issue guidance for the quarter ending in June, as it usually does. The company withdrew guidance for its second-quarter in February as the Covid-19 coronavirus spread in China.

Berkshire's first-quarter net loss totaled $49.75 billion. A year earlier, net earnings totaled $21.66 billion.

Online furniture retailer Wayfair's net loss widened during the first quarter, as its sales surged nearly 20% from a year ago.

The Cheesecake Factory swung to a loss in its first quarter as the coronavirus pandemic forced the company to close its dining rooms and furlough thousands of its workers.

Shares of Pinterest fell as much as 9% in after-hours trading on Tuesday after the company reported its first quarter results.

Citing uncertainty due to the coronavirus pandemic that's shuttered much of the dine-in restaurant industry around the world, the company suspended its full-year forecast.

Disney wants Wall Street to focus on its growing streaming business, but its media networks, theme parks and film studio have grown too large to be ignored. That's become a big problem during coronavirus shutdowns.

The drugstore chain's stores have remained open as an essential retailer during the coronavirus pandemic, and it's also opened drive-thru testing sites.

Wendy's reported that its U.S. same-store sales are rebounding after plunging in March and the first half of April.

The Covid-19 outbreak cut deeply into GM's performance, costing the largest U.S. automaker $1.4 billion before taxes during the first three months.

Lyft reports its first-quarter results on Wednesday after the bell.

Peloton's revenue surged 66% during the fiscal third quarter, as more people purchased its fitness equipment and tuned into its live classes, to try to break a sweat while stuck at home during the coronavirus pandemic.

John Bilton, global head of multi-asset strategy at J.P. Morgan Asset Management, discusses the impact of the Covid-19 pandemic on stock valuations.

Spanish Minister of Foreign Affairs, the European Union and Cooperation Arancha Gonzalez discusses Spain's current state of emergency.