U.S. stock futures weakened on a holiday Monday as tariffs on Chinese goods went into effect.
With stock exchanges closed for Labor Day, futures on the S&P 500 fell 6.6 points, or 0.2%, to 2918.20, while futures on the Dow Jones Industrial Average dropped 114 points, or 0.4%, to 26292.
Tariffs of 15% on $112 billion of Chinese goods went into effect on Sunday, as did retaliatory Chinese tariffs on U.S. products like crude-oil imports.
Source : Market Watch