Tariff Woes Weigh on Stocks as Dow Drops 650 Points The Dow fell 650 points, or 1.5%, as new U.S. tariffs on Canada, Mexico, and China disrupted markets. Canada retaliated with tariffs on U.S. goods, while China targeted agricultural products. Retailers like Target warned of profit pressures, contributing to a broader selloff. Financial stocks also posted significant declines.34