U.S. stocks close lower

U.S. stocks ended lower on Monday.
The Dow fell by 249.04 points, or 0.51 percent, to 48,461.93.
The S&P 500 sank 24.2 points, or 0.35 percent, to 6,905.74.
The Nasdaq Composite Index shed 118.75 points, or 0.5 percent, to 23,474.35.
Seven of the 11 primary S&P 500 sectors ended in red, with materials and consumer discretionary leading the laggards by losing 0.96 percent and 0.95 percent, respectively.