Thyssenkrupp’s chief executive Martina Merz is stepping aside early, the German industrial giant said Monday, in a surprise announcement that sent the company’s shares into a nosedive. The CEO, who led a major restructuring of the steel-to-submarines group, requested talks on stepping down and the supervisory board agreed, Thyssenkrupp said in a statement. Miguel Angel Lopez Borrego, CEO of German engineering group Norma, has been put forward to replace her, starting in June. No reason […]