Wall Street chugged mostly higher in premarket trading as Chinese and U.S. officials begin a second day of trade talks.

The Stockholm meeting — following similar talks in Geneva and London in recent months — is set to extend a 90-day pause on those tariffs. During the pause, U.S. tariffs were lowered to 30% on Chinese goods, and China set a 10% tariff on U.S. products.

US officials have been warned to avoid tough moves against Beijing as Stockholm hosts third round of negotiations