The Egyptian Exchange (EGX) closed the week's trading with gains up to EGP 13.7 billion with optimism in the air over the second round of referendum on the country's new constitution. The capital market gained on Thursday EGP two billion, making its total profits during the week hit EGP 13.7 billion. The EGX 30 benchmark index was up 0.43 percent to close at 5,443 points. The broader EGX 70 index of the leading smaller and mid cap enterprises (SME) rose 1.62 percent, reaching 487.69 points. The all-embracing EGX 100 index increased 0.94 percent to close at 810 points.