The retreat came as cautious forecasts from railroads caused unease about the economy and a rising dollar pushed prices of commodities lower, which hurt materials and energy stocks. The Dow Jones industrial average fell 109 points to end the week with a modest loss.

Traders appeared eager to collect gains after earnings reports for the July-September quarter came in far stronger than forecast, which had pushed stock indexes up more than 6 percent in the three weeks leading into Friday.

"We've had such a great run that you're going to get people taking money off the table, especially at the end of the week," said Bob Froehlich, senior managing director, at Hartford Financial Services.

The Dow fell 109.13, or 1.1 percent, to 9,972.18. The S&P 500 index fell 13.31, or 1.2 percent, to 1,079.60. The Nasdaq fell 10.82, or 0.5 percent, to 2,154.47.

Benchmark crude for December delivery gave up 69 cents Friday to settle at $80.50 a barrel on the New York Mercantile Exchange. Oil was trading at less than $70 per barrel to start the month.

At the pump, retail gas prices added 2 cents to a new national average of $2.636, according to auto club AAA, Wright Express and Oil Price Information Service.

Originally published by Staff and Wire Reports.

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