US STOCKS-Wall St opens up, Nasdaq set to extend record

Wall Street opened up 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 record close set the previous session. Amazon shares soared as much as 15.6 percent to a lifetime high of $451 after the e-commerce company's revenue came in above estimates on Thursday.