us stocks open higher thursday as investors weighed fresh data showing wholesale inflation fell in march the dow jones industrial average djia was up 02 soon after the opening bell while the sp 500 spx gained 03 and the nasdaq composite comp rose 06 according to factset data at last check the producerprice index a measure of wholesale inflation fell 05 in march the bureau of labor statistics said thursday that marked the biggest drop in almost three years economists polled by the wall street journal had forecast no change in the producerprice index