New York City-based Oppenheimer & Co. Inc., a subsidiary of Oppenheimer Holdings Inc., has chosen VestmarkONE, the unified wealth management technology platform from Wakefield, Mass.-based Vestmark, a software-as-a-service technology provider. VestmarkONE helps clients “consolidate, manage, and trade all of its advisory programs, as well as those offered through its affiliate, Oppenheimer Asset Management Inc.,” the… Read More >>