Oil, tech boost S&P and Dow, healthcare caps Nasdaq gains

Eight of the 10 major S&P sectors were higher, led by the energy index's 0.8 percent rise as oil prices hovered around 2016 highs. "There is a good possibility we may see the S&P make a new 52-week high as enthusiasm continues to build." said Peter Cardillo, chief market economist at First Standard Financial in New York.