U.S. stocks close lower

U.S. stocks ended lower on Tuesday. The Dow Jones Industrial Average fell by 157.86 points, or 0.3 percent, to 52,231.89.
The S&P 500 sank 29.01 points, or 0.38 percent, to 7,520.93.
The Nasdaq Composite Index shed 187.26 points, or 0.74 percent, to 25,065.87.
Six of the 11 primary S&P 500 sectors ended in the red, with technology and materials leading the laggards by losing 1.4 percent and 0.55 percent, respectively.