Tech was the strongest overall sector in 2017, outperforming the broader market with a nearly . Semiconductor Leaders :
: Gained 88% due to skyrocketing demand and pricing for memory chips used in smartphones and data centers. stocks i should buy 2017
: Gained 103% following major clinical breakthroughs in cystic fibrosis treatments that significantly boosted its long-term revenue outlook. Tech was the strongest overall sector in 2017,