US markets set to build on gains

U.S. stock index futures indicated a higher open on Thursday, building on Wednesday's rally which saw major averages gain more than 1.5 percent by the close after a tumultuous week of trade so far. The flow of top-tier releases also continues, ahead of Friday's key jobs report. The August ISM non-manufacturing index is due at 10:00 a.m. ET, together with the full trade report for July and the ...