The Egyptian Exchange (EGX) gained 22.8 billion pounds in August.
The market capital hit 523.88 billion pounds in August compared with 501.05 billion in July.
The EGX 30 benchmark index rose 7.03 percent to close at 9,447 points.
The broader EGX 70 index of the leading smaller and mid cap enterprises (SME) upped by 5.13 percent to 660 points.
The all-embracing EGX 100 index also increased by 5.53 percent to close at 1,170 points.