U.S. stocks took a heavy beating during the first quarter of the year. But the second could be much more treacherous.

The stock market rallied from an early selloff on Monday but the S&P 500 and Nasdaq Composite still snapped a five-quarter winning streak. The Dow Jones Industrial Average rose 418 points, or 1%, ...

As Wall Street heads into a new quarter, a flurry of President Donald Trump’s tariffs are set to go into effect. That has traders on edge and has helped put US stocks on track for their worst quarter ...