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US stocks opened higher on Friday as strong results from tech behemoths Google Inc, Amazon.com Inc and Microsoft Corp put the Nasdaq Composite on track to extend its ascent a day after surpassing a 15-year-old record.
The Dow Jones industrial average rose 19.62 points, or 0.11 percent, to 18,078.31, the S&P 500 gained 5.87 points, or 0.28 percent, to 2,118.8 and the Nasdaq Composite added 40.89 points, or 0.81 percent, to 5,096.95.
