Egyptian Exchange indexes gained EGP4.515 bln during this week's trading, while the market capital reached EGP 4.357bln, Youm7 reported Sunday. The main stock exchange EGX20 index declined by 7.59% to record 5.784 while medium and small stock index EGX70 declined by 0.57% to record 347 points and EGX100 declined by 1.72% to close at 696 points.