Egyptian economic growth will be slower than previously expected as its pound weakens, inflation cuts into purchasing power and fallout from the Gaza crisis eats into the country's main sources of foreign currency, a Reuters poll showed. Revenue from the Suez Canal fell 40% in early January after sea attacks by Yemen's Houthis diverted away shipping. The crisis in neighbouring Gaza that started in October has also weakened the tourism outlook. "Developments over the past month have seen the country being hit hard from various angles and directly to its main revenue generators," Pieter du Preez of Oxford Economics wrote in a…