GENEVA—Senior economic officials from the U.S. and China concluded their weekend trade talks Sunday without announcing details of their discussions to ease the continuing trade war between the countries.

Treasury Secretary Scott Bessent and U.S. Trade Representative Jamieson Greer told reporters that more details would be provided on Monday.

U.S. negotiators said Sunday that “substantial progress” was made and “perhaps the differences weren’t so large” after two days of negotiations with a high-ranking Chinese delegation on ways to