New York, April 22 -- U.S. stocks stumbled Monday as renewed attacks by U.S. President Donald Trump on Federal Reserve Chair Jerome Powell added to concerns about the central bank's independence.

The Dow Jones Industrial Average fell by 971.82 points, or 2.48 percent, to 38,170.41. The S&P 500 sank 124.50 points, or 2.36 percent, to 5,158.2. The Nasdaq Composite Index shed 415.55 points, or 2.55 percent, to 15,870.9.

All of the 11 primary S&P 500 sectors ended in red, with consumer discretionary and technology leading the laggards by going down 2.86 percent and 2.72 percent, respectively. Consumer staples posted the weakest decline, down 1.34 percent.

The tech-heavy "Magnificent Seven" bore the brunt of the sell-off. Tesla plunged 5.7...