WASHINGTON -- The United States and China have reached an agreement — again — to deescalate trade tensions. But details are scarce, and the latest pact leaves major issues between the world's two biggest economies unresolved.

The U.S. and China have agreed on the framework for a trade deal, both nations say. It appears that rare earth minerals are one key part of it.

A deal could end months of uncertainty about tariffs on China, but questions still remain. Here's what it means for business owners.