U.S. stocks were set to open higher on Thursday, as investors sought bargains in beaten-down technology stocks and kept a close watch on developments around the Middle East conflict and its impact on economies and businesses. Chipmakers bounced back after Wednesday’s selloff sent major Wall Street indexes down more than 1% and technology stocks into correction territory, a 10% drop from their record close. Nvidia, Intel and Micron Technology were up between 1% and 4.6% in premarket…