President Donald Trump’s first 100 days in office have been marked, in short, by volatility. Both uncertainty about his ever-changing tariff policies and fear that they could bring a recession have taken a toll on the market.

President Donald Trump is holding a rally in Michigan on Tuesday to mark the first 100 days of his second term, staging his largest public event since returning to the White House in a state that has been especially rocked by his steep trade tariffs and combative attitude toward Canada.