Falling oil prices pushed U.S. stocks down broadly on Monday, extending losses into a second week. All 10 industry sectors in the Standard and Poor's 500 dropped. The losses followed a 3.5 percent decline in the index last week, its biggest loss since May 2012.
The Dow Jones industrial average fell 99.99 points, or 0.6 percent, to 17,180.84
The Standard & Poor's 500 fell 12.70 points, or 0.6 percent, to 1,989.63.
The Nasdaq composite lost 48.44 points, or 1 percent, to 4,605.16.
For the year:
The Dow is up 604.18 points, or 3.6 percent.
The S&P 500 index is up 141.27 points, or 7.6 percent.
The Nasdaq is up 428.57 points, or 10.3 percent.