BOSTON Hedge fund industry executive Anthony Scaramucci, an advisor to U.S. President Donald Trump, has been named chief strategy officer of the U.S. Export-Import Bank, a source familiar with the appointment said on Tuesday. Scaramucci, a Republican fundraiser, has been working at the Washington-based bank since the middle of June and also remains in consideration to become ambassador to the Organization for Economic Cooperation and Development. MOSCOW/KIEV/WASHINGTON A major global cyber attack on Tuesday disrupted computers at Russia's biggest oil company, Ukrainian banks and multinational firms with a virus similar to the ransomware that last month infected more than 300,000...