The Commerce Department allows Nvidia to sell H20 AI chips to China despite security concerns, and experts are divided on the U.S. technological advantage.

Nvidia recently reached the milestone of $4 trillion in market value -- something no other company has ever done. The stock has soared thanks to Nvidia’s strength in the artificial intelligence market.

The head of a House of Representatives panel on China told U.S. Commerce Secretary Howard Lutnick that resuming sales of Nvidia's H20 chips to China threatens to advance Beijing's AI capability, stepping up his criticism of the decision and saying the original ban was "the right call.

Nvidia said it has filed applications to resume selling H20 GPUs in China and has received assurances that licenses will be granted.

With help from a longtime Silicon Valley investor turned White House insider, Mr. Huang got the administration to reverse course on restrictions.

The Score is a weekly review of the biggest stock moves and the news that drove them. The U.S. may be getting closer to a transcontinental railroad. Railroad operator Union Pacific is holding talks to acquire its smaller rival Norfolk Southern, The Wall Street Journal reported Thursday.

Nvidia's GeForce RTX 5060 is a compelling, competitive GPU for 1080p and light 1440p play. The only caveat: Our overclocked Asus test model doesn't quite top AMD's slightly pricier 16GB Radeon RX 9060 XT for gaming.

Nvidia CEO Jensen Huang says export controls on advanced chips require companies to adapt. Speaking in Beijing on Wednesday, he addressed the recent lifting of a U.S. ban on Nvidia's H20 chip sales to China.

Nvidia became the first publicly traded company to reach a market cap of $4 trillion last week, as investors remain bullish on artificial intelligence technology.

Jensen Huang, the chipmaker’s chief executive, is trying to balance his company’s interests as the United States and China compete for supremacy in artificial intelligence.

AI-related stocks have delivered explosive gains for the past two and a half years. Nvidia (NASDAQ:NVDA) turned its GPUs into the picks and shovels of the new gold rush and became the planet’s most valuable company.