CNBC World News

The source of the attack is not yet confirmed but the outages come as Russia has positioned troops to be able to invade Ukraine.

A key investment case for bitcoin is deteriorating as geopolitical uncertainty and rising inflation hammer cryptocurrency prices.

The committee, which is investigating the invasion of the Capitol by a mob of Trump's supporters, had invited Ivanka Trump to sit for a voluntary interview.

Now the critical question is whether Putin will stop at the eastern territories of Luhansk and Donetsk, or push on to take more of Ukraine and its capital Kyiv.

Figure skater Nathan Chen tells CNBC Make It that staying in the moment and worrying less about winning helped him achieve his dream of winning Olympic gold.

Belarussian opposition leader Sviatlana Tsikhanouskaya says the West must impose tougher sanctions on Russia and Belarus to deter them from further aggression.

From wheat to barley, and copper to nickel, analysts tell CNBC that supply chains are set to be disrupted as the Russia-Ukraine crisis takes a turn for the worse.

The CDC said males ages 12- to 39-years-old should consider waiting eight weeks between the first and second doses of Pfizer's and Moderna's vaccines.

The S&P 500 moved lower on Wednesday, falling deeper into correction territory amid escalating tensions between Russia and Ukraine.

European stocks closed lower on Wednesday as tensions over the Russia-Ukraine crisis overshadowed a strong set of corporate earnings.

U.K. students who fail math and English could be barred from taking out college loans under proposals set to be announced by the British government this week.

The White House has so far tried to thread a thin needle on the issue of competition reform at home and abroad.

Bitcoin sank as low as $36,370 early Tuesday, its lowest level in more than two weeks.

Financial Secretary Paul Chan said the spread of the virus has "dealt a heavy blow to many people, disrupting both their life and work."

Crypto companies are enticing talent with the pitch of working on the next "big thing."

As fears of an all-out invasion of Ukraine by Russia heighten, spikes in energy prices and knock-on economic effects could spell trouble for central banks.

Russian President Vladimir Putin will likely go "all the way to the capital," Jeffrey Edmonds told CNBC, referring to the Ukrainian capital of Kyiv.

Barclays on Wednesday reported a full-year net profit of £6.38 billion ($8.67 billion) for 2021, ahead of analyst expectations of £5.75 billion.

While EssilorLuxottica has a much larger market capitalization than Warby Parker, the smaller company says it can grow "faster than the overall industry."

Chinese smartphone brand Realme will launch its first high-end devices — the GT 2 and GT 2 Pro — at Mobile World Congress next week.