US equity markets fell sharply to open August as new U.S. tariffs on dozens of trading partners and Amazon.com Inc’s underwhelming earnings weighed on sentiment, while a weaker payrolls report added to risk aversion - Dow fell -542-points or -1.23% to 43,588.58, marking the 30-stock index’s biggest one-day drop since 13 June. with Amazon (down -8.27%) the worst performer in the 30-stock index. Ten Dow components logged declines of more than >2%, including UnitedHealth Group Inc (-4.72%) and 3M Co (-3.22%).