Tech CEOs are locked in an artificial intelligence "arms race" that risks wiping out humanity, top computer science researcher Stuart Russell told AFP on Tuesday, calling for governments to pull the brakes.

As artificial intelligence evolves at a blistering pace, world leaders and thousands of other delegates will discuss how to handle the technology at the AI Impact Summit, which opens Monday in New Delhi.

China's ByteDance has rolled out its Doubao 2.0 model, an upgrade of the country's most widely used artificial-intelligence app, the company said on Saturday.

The court's ruling invalidated a number of tariffs that the Trump administration had imposed on Asian export powerhouses from China and South Korea to Japan and Taiwan, the world's largest chip maker and a key player in tech supply chains.

Trump's talks with Chinese President Xi Jinping on an extended visit to Beijing had been expected to revolve around extending a trade truce that kept both countries from further hiking tariffs.

By itself, the ruling is estimated to chop the trade-weighted average US tariff almost in half from 15.4 percent to 8.3 percent. Yet no one expects this to remain the status quo: the Trump administration has said that it can and will use other legal vehicles to reimpose tariffs.

An initiative founded by an Indonesian senior high school student has spotlighted the importance of collaboration in the field of neurodiversity education.

One of the first concrete reactions among Asian nations to the decision, it follows Trump's move on Saturday to levy a temporary tariff of 15 percent, the maximum allowed by law, on US imports from all countries, following the court's rejection.

US Treasury Secretary Scott Bessent told Fox News on Friday that tariffs based on the International Emergency Economic Powers Act (IEEPA) "were custom made for President Trump to assert leverage" against other countries.

The dollar held gains on Tuesday as markets awaited signals, expected later this week, about the potential timing of rate cuts by the Federal Reserve.

Asian markets were subdued on Monday, as the extended Lunar New Year holiday approached and Japan reported lackluster economic growth.

Asian shares retreated from record highs on Friday as worries about shrinking margins in the tech sector hit the likes of Apple, driving investors into safe-haven bonds ahead of key US inflation data.