But there is a non-statistical basis for concern: an ominous parallel with the financial environment that prevailed in the weeks leading up to the October 1987 stock-market crash. On that day — Black Monday — the Dow Jones Industrial Average dropped 22.6% in a single session.

U.S. President Donald Trump’s new tariff rates of up to 41% on U.S. imports from dozens of countries drew expressions of relief Friday from some countries that negotiated a deal or managed to whittle them down from rates announced in April.

Markets are assessing the reshaped US trade landscape after Trump on Thursday laid out steep new tariffs for dozens of countries.