The president touted progress in the talks, and said he was hearing "good reports" from his negotiating team in London.

Ahead of key trade talks in London, here are all the tariffs, counter-tariffs, dealmaking, and dealbreaking between the world’s two biggest economies.

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.