Dow Jones futures edged lower overnight, along with S&P 500 futures and Nasdaq futures.The stock market rally had a narrowly mixed session on the major indexes. Trump tariff headlines were in focus.Please watch the video at Investors.

Tuesday's relatively muted action in markets follows losses on Monday when Trump posted a flurry of letters to social media that announced new tariff rates ranging from 25% to 40% on more than a dozen countries starting August 1.

U.S. stocks are lower on Monday after a three-day holiday break as investors keep an eye out for more trade-related developments.