US STOCKS-Wall St to open up on tech earnings, Nasdaq to extend record

U.S. stocks were set to open higher on Friday as strong results from tech behemoths Google (Xetra: A0B7FY - news) , Amazon and Microsoft (NasdaqGS: MSFT - news) set the Nasdaq Composite on track to extend its run after surpassing on Thursday a 15-year-old record. The S&P 500 touched a record intraday high on Thursday, while the Nasdaq closed at 5,056.06, surpassing its record set in March 2000, just before the dot-com bubble burst. Amazon shares jumped 12.7 percent to $439 in premarket trading a