Most experts agree that Covid-19 testing is vital to safely reopen the economy. But getting to scale presents challenges, they say.

Salesforce will deploy a call center as well as a customer relationship and case management system that will help the city track potential cases and isolate people before they become sick, de Blasio said.

Vice President Mike Pence got roasted after being caught by a live microphone jokingly offering to carry empty boxes "just for the camera" into a health-care facility treating coronavirus cases.

"San Diegans, just like others in California, do not want to give back the tremendous gains that we've made, the sacrifices that we've made over these last six weeks," Mayor Kevin Faulconer said.

Angela Stent, author of 'The Limits of Partnership: US-Russian Relations in the Twenty-First Century,' warns that attention will fall on Vladimir Putin as to whether Crimea will join Russia officially.

James Albertine, Vice President, Automotive at Stifel Equity Research, discusses CEO Mary Barra's efforts to change how GM handles recalls.

Mebane Faber, CIO at Cambria Investment Management, explains why he thinks stocks from Greece, Ireland, Russia and Spain are more attractive than U.S. equities.

Myron Brilliant, Executive VP & Head of International Affairs at the U.S. Chamber of Commerce, explains how increased U.S. LNG exports could impact Russia's standoff with Ukraine.

Can South Korea's first foreign-owned casino give casino hotspots like Vegas and Macau a run for their money? CNBC's Julia Wood, Susan Li and Bernie Lo discuss.

Randy Kroszner, Professor Of Economics at the University of Chicago Booth School of Business, discusses the selloff on Wall Street after Yellen indicated that rate hikes could happen sooner than expected.

CNBC's Mary Thompson reports on bitcoin's biggest transaction thus far: a luxury villa in Bali.

Chinese automakers face the greatest competition from their international rivals, says Janet Lewis, Head of Industrial Research, Asia at Macquarie.

Somshankar Sinha, Director, Asia ex-Japan Oil & Gas Research at Barclays, highlights the firm's lower capex spending as a key area to look out for in the year ahead.

Sri Mulyani Indrawati, COO & Managing Director at the World Bank, says China's attempt to shift its economic model will require many policy adjustments.

Robert Pavlik, Chief Market Strategist at Banyan Partners, says recent losses on Wall Street was caused by a myriad of factors, which include more than Chinese weak data and Ukraine tensions.

Twitter says a technical glitch could be why some of its most popular tweets have disappeared from its platform. CNBC's Julia Wood reports.

Alexander Feldman, President at US-ASEAN Business Council, says U.S. President Barack Obama has been successful in trying to forge closer ties with the Asian region.

Norman Young, Senior Equity Analyst at Morningstar, says Microsoft's release of the Office for iPad app reflects a strategy shift in the software company under its new chief executive officer, Satya Nadella.

Francis Gaskins, director of research at Equities.com, discusses why Candy Crush game maker, King Digital Entertainment, fell nearly 16 percent on its trading debut.

Australia has "no benefits at all" from focusing on its coronavirus-related geopolitics with China, one of its major trading and business partners. It should focus instead on people's health and economic recovery, says Mark Allison, CEO and managing director of Elders Limited.

Among the latest disputes between the U.S. and China is the origin of the coronavirus, which has infected more than 3 million people and killed over 250,000 globally, data by Johns Hopkins University showed.

Warren Patterson of ING explains why he sees a rebound in oil prices next year.

Jake Klein of Evolution Mining explains why gold companies are faring better than most sectors during this time of extended uncertainty due to the coronavirus pandemic.

The potential trade deal with the U.S. is very important for the U.K, but the negations will probably be challenging and drawn-out due to issues such as agricultural, data flows, and intellectual property, says Joshua Meltzer of the Brookings Institution.

Singapore needs sustainable measures in its "prolonged battle" against the coronavirus, so that the country can ease out of its "circuit breaker" period to resume normal activities safely, says Lawrence Wong, second minister for finance, minister for national development and co-chair of the multi-ministry taskforce on Covid-19.

Singapore learned from the coronavirus pandemic that its migrant workers' dormitories need redesigning to prevent future outbreaks, says Lawrence Wong, second minister for finance, who is also co-chair of the country's Covid-19 task force.

Mitul Kotecha of TD Securities tells CNBC's Squawk Box Asia that the rising tensions between U.S. and China over COVID-19 could make it hard to uphold the Phase One trade deal, risking another trade war.

Migrant workers living dormitories have accounted for around 87.6% of Singapore's total 19,410 confirmed cases as of Tuesday, according to the health ministry.

Phil Blancato, CEO of Ladenburg Thalmann Asset Management, says "no one wants more economic pain" in this current environment, adding that he would be surprised if the current US China trade tensions escalate.

Roughly 60% to 70% of Didi Chuxing's business has bounced back from the coronavirus crisis in China, says Jean Liu, president of the mobile app-based transportation firm.

Australia has started plans on re-opening its economy after a period of social distancing. Ivan Colhoun of the National Australian Bank suggests looking to fiscal stimulus to cushion the hit to their economy, and to keep an eye on how lower immigration may slow the economy in the long term.

While there has been "quite a bit of interest" in Kingsoft Cloud's IPO filing, investors should be cautious about the high-growth tech company operating on negative margins and the generally poor performance of Chinese IPOs, says Kathleen Smith, founding principal of Renaissance Capital.

In contrast to the U.S., countries in North Asia and Australia had "very convincing containment" of the coronavirus crisis, making them more likely to achieve a "very sharp" economic rebound post-pandemic, says Deutsche Bank's Michael Spencer, chief economist and head of research for the Asia-Pacific.

Despite the strong demand for Nintendo's Switch console and the breakout success of its "Animal Crossing: New Horizons" title, Kazunori Ito of Morningstar Investment Management Asia says he does not see a strong game pipeline for the company this year.

Tesla CEO Elon Musk lashed out at government stay at home orders as "fascist" in an expletive-laced rant on Tesla's Q1 earnings call.

Currently, most regulations across various cities in China still require the presence of a safety driver in vehicles.

Dow futures drop Thursday after another avalanche of weekly jobless claims and a crush of earnings.

"That's going to tug against what the governors have to do," the former FDA chief told CNBC. "We still face a pretty big epidemic in this country."

Ford Motor expects to begin calling back salaried employees who have been working remotely due to the coronavirus pandemic beginning in late June, executives said Thursday.

In reopening plants, automakers face worker safety issues and must abide by local mandates, which Tesla CEO Elon Musk highlighted earlier this week. Then there are more complex problems.

Dow futures trimmed earlier gains as U.S. oil prices turned lower after a five-session winning streak.

About 90 United Auto Workers union members have assembled more than 10,000 respirators at a Ford plant near Flat Rock, Michigan.

"The projected economic fallout for the (auto) industry is grave," reads the bipartisan letter signed by nine lawmakers from Michigan, Ohio, Tennessee, Texas and Alabama, all states with big auto manufacturing plants.

General Motors plans to further strengthen its cash position during the coronavirus pandemic through an offering of senior unsecured fixed rate notes, the company announced Thursday.

Michigan Gov. Gretchen Whitmer will allow the state's auto manufacturing plants, most of which have been shuttered since March due to the coronavirus pandemic, to reopen beginning Monday.

"I mean, Congress went out of its way to carve out businesses that have more than 500 employees but are restaurants, chain restaurants," ex-TARP watchdog Neil Barofsky told CNBC.

"There's all these downstream issues that really haven't been addressed yet," the Dallas Mavericks owner and "Shark Tank" investor told CNBC on Friday.

Latino entrepreneurs are among the majority of small business owners directly impacted by the economic fallout.

Main Street confidence hit a record low in the Q2 2020 CNBC Small Business Survey, with the coronavirus causing a majority of entrepreneurs to fear permanent changes, including bankruptcy.

Only 13% of small businesses that applied for relief through the Paycheck Protection Program have received funding, according to the CNBC/SurveyMonkey Small Business Survey released Monday.