Export controls—a major concern for industries worldwide—are moving to the top of the agenda of trade talks between the U.S. and China on Monday. The trade war between Washington and Beijing has in recent weeks veered away from tariffs, focusing instead on each country’s restrictions on material or products the other side desperately needs.

U.S.-China trade talks in London this week are expected to take up a series of disputes that have buffeted relations.

By Trevor Hunnicutt and Ryan Patrick Jones WASHINGTON (Reuters) -Three of U.S. President Donald Trump's top aides will meet with their Chinese counterparts in London on Monday for talks aimed at resolving a trade dispute between the world's two largest economies that has kept global markets on edge.