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"We don't really have any evidence for the melange of this particular brew. It may be perfect. It may not be right. We just don't know," Dr. Lewis Kaplan, a surgeon at the hospital of the University of Pennsylvania.

Nancy Pelosi and Steven Mnuchin expect to speak again Tuesday as they try to strike a coronavirus stimulus deal.

"We have tried to take a principled approach until there is a broader authorization," CEO Dr. Leonard Schleifer told CNBC.

Denver is experiencing its most competitive housing market in history, largely driven by the new work-from-anywhere culture of the coronavirus pandemic. 

On Friday, S&P Global Ratings lowered its issuer credit rating on AMC from CCC+ to CCC-, saying that the company's cash burn could accelerate as it reopens venues.

While the effort to add shopping to Reels was expected, it's still a quick rollout since the feature only launched two months ago. But adding the shopping feature soon could give the company a leg up on TikTok, its Reels competitor.  

"The entire Pacific Rim has less than 1,000 infections a day. Having a raging epidemic is not inevitable," former FDA chief Dr. Scott Gottlieb told CNBC.

The coronavirus pandemic caused state revenues to plummet, leaving New York's Excelsior Scholarship program facing a significant shortfall.

Dr. Sean Conley said Trump's medical team had begun treating the president with dexamethasone, a steroid that has shown promise for critically ill patients but may cause harm to those with less severe cases of Covid-19. 

The stocks making the biggest moves in premarket trading include MyoKardia, Eidos Therapeutics, DraftKings, and more.

Choose your favorite email app, and when you click an email address link, iOS 14 will launch that app instead of Apple's.

Trump's tweet urging a coronavirus stimulus deal in Congress comes as he is treated for Covid-19 at Walter Reed Medical Center.

The Apple-Google system for sending Covid-19 alerts is gaining momentum in the United States, six months after it was first announced.

The NBC News/Wall Street Journal poll found voters thought Biden did a better job than Trump in last week's 2020 presidential debate.

New York is responding to growing clusters of coronavirus cases in 20 "hotspot" ZIP codes that are reporting average positivity rates as high as 18%.

Six states reached record high Covid-19 hospitalizations as of Friday, based on a weekly average, including Missouri, Wisconsin, North Dakota and South Dakota. 

"I don't think any experts recommend that you use medical screening tests as a replacement for social distancing, or masks, or other kinds of mitigation efforts," Dr. Ben Mazer, an anatomic and clinical pathologist at Johns Hopkins Hospital, said.

New exchange-traded funds tracking China's tech-heavy Star 50 Index have launched. U.S. investors should keep an eye on their performance and accessibility, says one CIO.

Public health experts share their theories on when President Trump was initially exposed to the virus and their guidance on where we go from here.