Renewed concerns that tensions could flare up between Russian and Ukraine pushed U.S. stocks sharply lower Tuesday. Several traders pointed to news reports of a buildup in Russian troops on the Ukraine border and comments from a Polish politician that reportedly said Russia was poised to invade or pressure Ukraine's eastern border as catalysts for the selling.
The Dow lost 139.81 points, or 0.8 percent, to close at 16,429.47.
The Standard & Poor's 500 index fell 18.78 points, or 1 percent, to 1,920.21.
The Nasdaq composite fell 31.05 points, or 0.7 percent, to 4,352.84.
For the week:
The Dow is down 63.90 points, or 0.4 percent.
The S&P 500 is down 4.94 points, or 0.3 percent.
The Nasdaq is up 0.19 of a point, effectively unchanged.
For the year:
The Dow is down 147.19 points, or 0.9 percent.
The S&P 500 index is up 71.85 points, or 3.9 percent.
The Nasdaq is up 176.25 points, or 4.2 percent.