The Trump administration’s unorthodox Chinese export pact with Nvidia and Advanced Micro Devices is worrying trade experts.

President Trump again delayed higher tariffs on Chinese goods. But his recent moves on computer chips have stoked fears he’s willing to give too much to reach an accord.

A deal for Nvidia and AMD to give the Trump administration a cut of chip sales to China raises questions about national security and trade policy goals.

The president’s trade war entered a new phase on Thursday with hefty levies on scores of countries taking effect, adding further uncertainty.

Futures contracts hit a record price after the president announced plans for a 50 percent tariff on the metal, driving up costs for businesses.

Beijing is one of Tehran’s most important economic partners. But experts question how much China will help Iran if it retaliates against the United States.

U.S. negotiators say the London summit represented progress. But investors and business leaders remain wary.