U.S. stocks gave up gains to close lower Friday, with the Dow Jones Industrial Average and S&P 500 also ending lower for the week, after an uneven session that featured a revenue warning from Intel and positive data from the services sector.

The Dow Jones Industrial Average lost 0.4 percent for the week, while the Nasdaq Composite Index gained 0.7 percent. The S&P 500 Index lost 0.2 percent for the week.