The U.S. imposed caps on how many advanced AI chips can be exported to certain countries, overriding Nvidia's objections. Sha

Nvidia pushes back on new artificial-intelligence regulations, Moderna issues weak revenue guidance, and Intra-Cellular Therapies is being acquired by Johnson & Johnson for nearly $15 billion.

Asian stocks are mixed after Wall Street snapped out of a spell of holiday season blues, with markets in Tokyo and China declining.

The regulations, among the strongest yet from the Biden administration, limit AI chip exports to most countries except for a select group of close U.S. allies.

Asian shares are mostly higher, deriving optimism from rising technology stocks on Wall Street, led by Nvidia. Benchmarks rose in early Tuesday trading in Japan, South Korea and Australia, while

U.S. stock indexes were split as gains for oil-and-gas producers helped offset drops for Nvidia and other Big Tech companies

U.S. Steel climbed 8.1% overnight after it and Japan ... including those swept up in the frenzy around artificial-intelligence technology. Nvidia climbed 3.4% to top its record set in November ...

Nvidia pushes back on new artificial-intelligence regulations, Tesla stock trades lower, Moderna issues weak revenue guidance, and Intra-Cellular Therapies is being acquired by Johnson & Johnson for nearly $15 billion.