The Nasdaq composite is closing out its best week in nearly nine months after getting a boost from a big gain in Google's stock.

Google surged 16 percent after reporting earnings that exceeded the expectations of Wall Street analysts.

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The Nasdaq climbed 46 points, or 0.9 percent, to 5,210 Friday. The tech-heavy index is at an all-time high.

The Dow Jones industrial average closed down 33 points, or 0.2 percent, at 18,086.

The Standard & Poor's 500 index rose two points, or 0.1 percent, to 2,126.

Energy companies sank as the price of oil fell for a third straight week.

Bond prices didn't move much. The yield on the 10-year Treasury note was little changed from Thursday at 2.35 percent.