The S&P 500 plunged on Friday and has lost ground in five of the past six weeks amid concerns about the impact of tariffs and the outlook for the economy. Monitor these crucial chart levels.

For the first time in over a year, the U.S. stock market is in a correction. The question now is whether the slide is set to ...

The S&P 500 tumbled into correction Thursday ... connects a range of comparable price action on the chart between June and September last year.

Jackyenjoyphotography/Getty Images Rising interest rates over the last year have taken a toll on the S&P 500, amid some of the most aggressive rate hikes in three decades. The benchmark index ...