The Egyptian Exchange (EGX) gained 3.4 billion pounds at the close of trading Wednesday amid intensive purchase operations of leading shares by Arab investors. The EGX 30 main benchmark index upped by 1.4 percent, closing at 6,870.07 points. The broader EGX 70 index of the leading smaller and mid cap enterprises (SME) increased by 0.8 percent, closing at 547 points. The all-embracing EGX 100 index made an upturn of 0.88 percent to close at 930.43 points.