Technology stocks were mixed on Friday as a pair of video game related firms posted strong gains.

The Nasdaq Composite Index fell 5.72 points, or 0.23 percent to close at 2,445.52 points. The Philadelphia Semiconductor Index was down 1.26 points, or 0.32 percent to 398.50.

Activision Inc saw a sharp rise after reporting better than expected net income and revenue. Sales were up 93 percent, blasting past analysts' estimates on strong results from its 'Guitar Hero 3' and 'Call of Duty 4' titles. Activision shares rose $3.94, or 14.2 percent to end at $31.64.

Shares of RealNetworks Inc rose 13.1 percent after the company announced better than expected profit for its latest quarter. The company also said it planned to spin off its fastest growing division, its casual games unit. Shares closed up 85 cents at $7.33.

Among other stocks, Apple Inc fell 0.87 percent; Dell rose 1 percent; IBM was down 0.9 percent; Intel declined 0.13 percent, Microsoft was up 0.41 percent, Oracle declined 0.47 percent and Yahoo was down 1.11 percent