Sensitive talks between U.S. and Chinese delegations over tariffs that threaten to upend the global economy ended after a day of prolonged negotiations and will resume Sunday, an official told The

Chinese officials have grown increasingly alarmed about tariffs' impact on the economy and the risk of isolation as China's trading partners have started negotiating deals with Washington.

The president said reducing tariffs to 80 percent from the current 145 percent “sounds right,” as U.S. and Chinese negotiators prepare to meet in Switzerland.