China aims to dominate in artificial intelligence and a growing variety of technologies. What it means for U.S. policymakers and investors.

Amidst the scrutiny and national security concerns across the U.S., the U.S. Navy has instructed all of its members not to use DeepSeek AI services.

Retail investors bought a net $562 million of Nvidia stock on Monday, the largest single-day inflow in at least 10 years, VandaTrack said.

Chinese AI startup DeepSeek disrupts U.S. tech markets with cost-efficient, open-source models, sparking national security concerns and testing trade restrictions.

The market reaction proved particularly severe for Nvidia (NASDAQ: NVDA), with shares plummeting and erasing half a trillion in market cap at the time of this writing. To put this staggering figure in perspective,

The economic hardware/software debate about China just got more complicated. Before DeepSeek flipped the script on the artificial intelligence game, many economists worried China had way too much of the former and not enough of the latter.

As Chinese AI application DeepSeek attracts hordes of American users, Trump administration officials, lawmakers and cybersecurity experts are expressing concern that the technology could pose a threat to U.S. national security.

Top White House advisers this week expressed alarm that China's DeepSeek may have benefited from a method that allegedly piggybacks off the advances of U.S. rivals called "distillation." The technique,