By Dr. Carla Pasternak
Tech stocks are on a roll. The Technology Select Sector SPDR (XLK) the largest technology exchange traded fund by assets has been hitting record highs. The technology-rich Nasdaq Composite has also been breaking new records and is now trading at its highest level ever. The Dow Jones U.S. Technology Index is trouncing the S&P 500, with year-to-date returns of nearly 18%, almost triple the benchmark's.