FIEL - In this Aug. 26, 2019, file photo, a computer screen shows images of Chinese President Xi Jinping, right, and U.S. President Donald Trump as a currency trader works at the foreign exchange dealing room of the KEB Hana Bank headquarters in Seoul, South Korea. China will lift punitive tariffs imposed on U.S. soybeans and pork in a trade war with Washington, a state news agency said Friday, Sept. 13, 2019, in a possible goodwill gesture ahead of negotiations. (AP Photo/Ahn Young-joon, File)