US STOCKS-Nasdaq hits 15-year high, propelled by Amazon, Microsoft
* Amazon shares touch life high after revenue beats estimates
* Xerox slumps to year low as it cuts forecast
* Biogen down 6 pct after key drug sales fall
* Indexes up: Dow 0.2 pct, S&P 0.3 pct, Nasdaq 0.8 pct (Updates to early afternoon)
By Tanya Agrawal
April 24 (Reuters) - The Nasdaq Composite extended its gains in early afternoon trading on Friday, hitting a 15-year intraday high, propelled by strong results from tech behemoths Google, Amazon and Microsoft.
The S&P 500 also hit a record intraday high for the second session in a row.
A majority of the ten S&P sectors rose, with the consumer discretionary index gaining 1.4 percent on the back of Amazon. The online retailer hit a lifetime high after its revenue beat estimates.
Google gained 3.6 percent to $577.64 after reporting higher quarterly revenue and profit and Microsoft added 9.4 percent to $47.42 after it topped Wall Street estimates. Continuación...