Bloomberg Oi SA, the Brazilian phone company struggling under $20 billion in debt, said one of its biggest investors called for a shareholders’ meeting to change the makeup of the board. Magnate Nelson Tanure’s Bridge Administradora de Recursos Ltda., which holds a 6.6 percent stake in Oi, said it would seek to oust directors who represent Pharol SGPS SA, …

  Dursun Peksen SPECIAL TO EMIRATES BUSINESS The United States and other major actors have long opted for economic sanctions to destabilize North Korea’s authoritarian regime and end its nuclear program. Over the years sanctions have inflicted major economic damage and isolated North Korea from the global economy, but have failed to change the course of the Kim regime’s stability …

  Tomohiko Taniguchi SPECIAL TO EMIRATES BUSINESS Brexit was a bolt out of the blue, one with strategic, economic, and political implications not just for countries across the Atlantic, but also for ones in the Asia-Pacific, particularly Japan. On the strategic front, as Britain begins to determine how to move forward while exiting the European Union, if indeed it will, …