U.S. and Chinese officials agreed to seek an extension of their 90-day tariff truce on Tuesday, following two days of what both sides described as constructive talks in Stockholm aimed at defusing an escalating trade war between the world's two biggest economies that threatens global growth.

Officials from Beijing and Washington on Tuesday agreed to continue talks on extending tariff rates under an established 90-day truce. China’s top trade negotiator, Li Chenggang, discussed the