Trump also threatened a "massive" tariff increase, after China tightened its rules for exports of rare earths.

The United States and China have been jostling for advantage in trade talks, after the import taxes triggered a trade war between the world’s two largest economies.

What Happened in Markets Today Trade tensions between the U.S. and China exploded back into the open. On Thursday China announced new, wide-ranging export controls on rare earths, which are vital components for high-tech manufacturing.

China has outlined new curbs on exports of rare earths and related technologies, extending controls over the use of the elements critical for many high-tech products and military applications.

The U.S. Department of Transportation unveils flight restriction plans targeting Chinese carriers that use Russian airspace shortcuts unavailable to U.S.

Beijing’s move against the San Diego chip giant is the latest in a two-day barrage of actions targeting the U.S.

Finland will provide four new icebreakers to America under a $6.1 billion agreement as the U.S. seeks to strengthen Arctic defense against Russia and China.

China’s new export controls over parts of the battery supply chain are the latest sign Beijing is willing to leverage its dominance over an industry vital to the energy transition.