US stock market futures fell after President Donald Trump announced a 35% tariff on Canada, starting August 1, intensifying global trade concerns. Despite positive earnings from companies like Delta and Levi Strauss, investor sentiment weakened as Trump warned of more tariffs on key trading partners including the EU, Japan, and Brazil. The Dow, S&P 500, and Nasdaq futures slipped by 0.6% or more early Friday. Meanwhile, all eyes are on next week's CPI data and Q2 earnings from major banks. Oil prices ticked higher on Russia sanction talks, but growth worries persist. This evolving trade agenda has markets on edge.