S&P 500 index rallied on Thursday supported by a drop in US unemployment claims and a report which showed production in New York region surged in February. US index climbed 0.60% or 8.32 points and finished at 1,402.60, surpassing 1400 points first time since 2008. Advanced Micro Devices gained 6.3%. The giant manufacturer of processors for PCs was upgraded from hold to buy by Jefferies. Railroad company Csx Corp rocketed 8.5% on news it predicts record first quarter revenue.