U.S. stocks opened mixed on Friday, after the Dow and S&P closed at record highs in the previous session, as tech giants Microsoft Corp. (Nasdaq: MSFT) and Google Inc. (Nasdaq: GOOG) reported disappointing earnings results.

Shares of Microsoft and Google were lower in premarket trading after the results of both fell short of expectations. Microsoft was down over 7 percent, while Google fell more than 3 percent.

Investors also weighed the latest round of earnings Friday morning as General Electric (NYSE: GE) and Schlumberger Limited  (NYSE: SLB) both reported better-than-expected results, sending their shares higher. GE rose more than 1 percent, while Schlumberger was above 2 percent.

Intuitive Surgical, Inc. (Nasdaq: ISRG) fell more than 14 percent after the company cut its 2013 sales forecast, and Advanced Micro Devices, Inc. (NYSE: AMD) plunged over 10 percent after the company said gross margins would fall.

As of 10:12 a.m. Eastern, the Dow Jones industrial average dropped 20.58 points, or 0.13percent, to 15,571.96. The S&P 500 Index fell 2.29 points, or 0.13 percent, to 1,687.34.