美股期货维持跌势，白宫贸易顾问纳瓦罗称，贸易谈判“进展顺利”。

Core Viewpoint - U.S. stock futures continue to decline despite White House trade advisor Navarro stating that trade negotiations are "progressing smoothly" [1] Group 1 - U.S. stock futures are maintaining a downward trend [1] - Navarro's comments suggest a positive outlook on trade negotiations [1]