High-level delegations from the United States and China are meeting in London to try and shore up a fragile truce in a trade dispute that has roiled the global economy.

A new round of trade negotiations between the United States and China has started in London, with both sides trying to preserve a fragile truce brokered last month.

The U.S. dollar was steady on Tuesday in tight trading as Washington and Beijing remained locked in trade talks that left investors on edge and hesitant in placing major bets while looking ahead to U.