CNBC World News

The combined market value of the four companies is now close to $5 trillion, with Apple claiming the top spot at nearly $1.5 trillion.

The WHO scrambled to clarify its comments that transmission of the coronavirus by people who never developed symptoms is "very rare."

Government responses should focus on detecting and isolating infected people with symptoms, said the WHO's Dr. Maria Van Kerkhove.

"Despite the rally, we have been hesitant to recommend a long position this early in the cycle for several reasons," Goldman Sachs' commodities research team wrote Tuesday.

The reopening of schools around the world following the coronavirus crisis has been the subject of much debate, and while new research suggests it can be done safely, there are certain conditions that need to be met.

Peter Thiel's Palantir was given access to NHS patient records that contain citizen's contact details, gender, race, religion, occupation, physical and mental health condition, as well as past criminal offenses.

Activist shareholders have increasingly focused on ousting top bosses since the coronavirus pandemic took hold of the global economy, according to a new report from asset management firm Lazard.

As technologies develop, the way we power our homes is changing.

Graphcore is trying to take on the likes of Intel and Nvidia, as well as tech giants like Google and Amazon.

The call to open the taps on oil production pulled the floor from under the market as Saudi Arabia slashed its selling prices and increased production after Russia refused to join its plan to further cut output and boost prices in early March.

Mike Lynch, the British entrepreneur who is being sued by HP for $5 billion, thinks there is a long way to go before machines start to show general intelligence.

Soleimani's killing led to a peak in confrontation between Iran and the United States.

The coronavirus has infected more than 7.1 million people around the world as of Tuesday, killing at least 406,913 people.

Sovereign wealth fund investments have fallen in the last few years and way before the coronavirus crisis hit, according to a new report.

France launched what it said was a 15 billion euro ($17 billion) rescue plan for its aerospace industry on Tuesday, warning 100,000 jobs were directly at stake due to the coronavirus crisis travel slump.

From a trade fight to a war of words over the origin of the coronavirus, to greater scrutiny of Chinese firms on Wall Street — relations between the U.S. and China have nosedived in recent years.

A new report from Bain & Company and Facebook said e-commerce and other digital trends across the region were accelerated by the Covid-19 outbreak.

Lilium has secured a valuation of more than $1 billion after raising fresh funds, giving the German aerospace start-up "unicorn" status.

Stocks in Asia Pacific were mostly higher on Tuesday as investor sentiment continued to remain elevated amid an easing of coronavirus lockdown measures.

Like most economies, Hong Kong should have a national security law — even if Beijing is the one imposing it on the city, a think tank said on Tuesday.