标普500指数目前涨0.28%，道指涨0.14%，纳指涨0.49%。白宫新闻秘书Leavitt称，美国总统特朗普继续参与贸易协议（的谈判）。8月1日之前，“你们还将看到”更多的关税信函。

Core Points - The S&P 500 index is currently up by 0.28%, the Dow Jones is up by 0.14%, and the Nasdaq is up by 0.49% [1] - White House Press Secretary Leavitt stated that President Trump continues to engage in trade agreement negotiations [1] - More tariff letters are expected to be seen before August 1 [1]