Egyptian Exchange witnessed Thursday a variable performance during the beginning of the trading session, Al-Bawaba News reported Thursday. The main stock exchange EGX 30 index declined by 0.25%, EGX 50 index rose by 0.65%, EGX 20 index declined by 0.5%, while medium stock index EGX 70 rose by 0.28% and EGX100 declined by 0.08%.