US stocks tumbled Monday, continuing a steep sell-off driven by concerns about the impact of President Donald Trump’s tariffs on economic growth. All three major indexes opened sharply lower Monday after Trump said the US economy would see “a period of transition” and refused to rule out a recession,

In a new TV interview, Trump discussed the key topics taking center stage since his return to the White House.

U.S. stocks opened lower on fears a trade war will lead to a recession. On Sunday, Trump declined to rule out that possibility.