Egyptian Exchange indexes gained 13 billion pounds during this week's trading amid buying operations from institutions, Egyptian and foreign investment funds, Al-Bawaba News reported Friday. The market capital reached 428.5 billion pounds this week, after it reached 415.5 billion pounds last week. EGX 30 index rose 5.47% to record 6779 points, while EGX 70 rose 3.56% to record 363 points and EGX100 rose 3.43% to record 771 points.