Nasdaq hits 15-year high, propelled by Amazon, Microsoft

The Nasdaq Composite extended its gains in late morning trading on Friday, hitting a 15-year intraday high, propelled by strong results from tech behemoths Google, Amazon and Microsoft. A majority of the ten S&P sectors rose, with the consumer discretionary index gaining 1.1 percent on the back of Amazon. Google gained 3.1 percent to $575 after reporting higher quarterly revenue and profit and Microsoft added 8 percent to $46.85 after it topped Wall Street estimates. "The difference tod