However, Trump just gave investors two reasons to worry about another market crash: He recently reinstated modified versions of the severe tariffs announced earlier this year, and he fired the Bureau of Labor Statistics commissioner in a way that threatens to politicize the independent agency responsible for gathering economic data.

There are tactical portfolio moves investors can make during the Trump administration's aggressive tariff policies, market strategists say.

U.S. stocks drifted to a mixed finish as President Donald Trump’s tariffs on dozens of countries had only a muted effect on markets worldwide.