Once upon a time, when bitcoin went up, ethereum went up. When bitcoin went down, ethereum went down. That has changed, for good reason.

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There are semiconductors in everything from washing machines to cars to smartphones. There's also not nearly enough of them. CNBC explores how the global chip shortage started, and what it will take to end it.

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Beijing's regulatory blitz has shocked outsiders and befuddled investors. Here's why it's happening, and what it could mean for China and beyond.

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El Salvador is the first country to declare bitcoin legal tender. But the experiment raises big questions about what will happen next — for bitcoin and the country itself.

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Electric car sales may start spiking in 2024 as more models compete with the likes of Tesla. But big challenges — from tech to infrastructure — remain.

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After a record high in 2017 and subsequent crash, bitcoin has seen a resurgence. Bigger investors have helped drive the price higher with comparisons being made between bitcoin and gold. But what lies ahead for the cryptocurrency?

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China, the United States and the European Union all want to rein in Big Tech to one degree or another, each for its own reasons.

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Nearly 50 years after the debut of the first games console, the industry has changed dramatically. Microsoft, Sony and Nintendo are battling it out for supremacy, with all 3 making forays into subscription models and cloud gaming.

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Beijing has blocked a lot of foreign content within Chinese cyberspace for years. But tensions between the U.S. and China now threaten to split the internet into separate technological systems — one Chinese, and one Western. The ramifications could shape the future of politics around the world.

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The U.S.-China tech war has made Beijing realize it needs a strong chip industry. But catching the United States will be a stiff challenge. 

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