Nvidia CEO Jensen Huang said, during a trip to Beijing this week, that if he were a student today, he'd focus on the physical sciences.

Nvidia ( NVDA -0.42%) stock has returned 29% this year, and its market value currently stands at $4.2 trillion. Meanwhile, Palantir ( PLTR -0.34%) shares have advanced 104%, and its market value currently stands at $360 billion. That brings their collective valuation to $4.5 trillion.

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.

Days after a White House meeting with President Donald Trump, Jensen Huang was being hailed by an audience on a stage in Beijing.

Nvidia's valuation has risen dramatically over the last two years since generative artificial intelligence became a mainstream topic.

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

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 (NASDAQ:NVDA) stock keeps passing milestone after milestone. After surging past the $4 trillion market cap mark, some analysts are rushing to increase their year-ahead price targets. On the high end,

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.

Before diving in, let's trace Nvidia's path to $4 trillion. Nvidia has seen its market capitalization surge in a short period of time, advancing from less than $1 trillion back in June 2023. Around that time, Apple and Microsoft outpaced Nvidia by far, as you can see in the chart below.