The past several years have seen a surprising spike in professional suicides, mostly confined to the banking sector in general and Deutsche Bank in particular. Overnight this tragic group expanded into multinational corporation sector, after one the top executives at South Korea's multinational conglomerate Lotte Group was found dead on Friday, in what is a suspected suicide, hours before he was to be questioned by prosecutors conducting a criminal probe into the country's fifth-largest conglomerate. Lee, who was 69, had been scheduled to appear before prosecutors on Friday morning, a Lotte official said. Lotte Group confirmed the death of Vice...