U.S. stock-market volatility is up this year amid signs of a softening economy, but that doesn't necessarily spell recession or the end of American exceptionalism.

U.S. stocks sank sharply Monday after President Donald Trump announced 25% tariffs on goods imported from Canada and Mexico would take effect starting Tuesday.

The U.S. economy's key growth driver faces one of the biggest pullbacks since the depths of the Covid pandemic, while price ...