The stock market was hit hard Friday, capping a third week of declines, as investors reacted to a steep drop in oil prices and a jump in the value of the dollar. Utilities, companies that make basic materials like steel, and major exporters had the biggest declines.
The Dow Jones industrial average fell 145.91 points, or 0.8 percent, to 17,749.31.
The Standard & Poor's 500 index lost 12.55 points, or 0.6 percent, to 2,053.40.
The Nasdaq composite fell 21.53 points, or 0.4 percent, to 4,871.76.
For the week:
The Dow lost 107.47 points, or 0.6 percent.
The S&P 500 index fell 17.86 points, or 0.9 percent.
The Nasdaq lost 55.61 points, or 1.1 percent.
For the year:
The Dow is down 73.76 points, or 0.4 percent.
The S&P 500 index is down 5.50 points, or 0.3 percent.
The Nasdaq is up 135.70 points, or 2.9 percent.