Gulf Arab allies pledge $12 billion to Egypt at summit

By Michael Georgy and Stephen Kalin SHARM EL-SHEIKH (Reuters) - Gulf Arab allies pledged a further $12 billion of investments and central bank deposits for Egypt at an international summit on Friday, a big boost to President Abdel Fattah al-Sisi as he tries to reform the economy after years of political upheaval. Kuwait, Saudi Arabia and United Arab Emirates each offered $4 billion to Egypt, which is grappling with Islamist insurgents as it attempts to improve the investment climate four years a