U.S. Trade Representative Jamieson Greer said the U.S. is holding concurrent trade talks with China and other countries. "All of this is happening in parallel, and we are happy to move as quickly as other parties are willing to move,

The world’s two biggest economies agreed to a temporary rollback of most of their recent levies after negotiating in Switzerland over the weekend.

Both sides are hailing the temporary reprieve, which will cut U.S. duties on Chinese goods to 30 percent, but analysts say underlying issues remain.