The Egyptian Exchange (EGX) went down at the close of trading Thursday amid large sale operations by Arab and foreign investors concentrating on major and leading shares. The EGX 30 benchmark index declined 0.62 percent to stand at 6,457 points. The broader EGX 70 index of the leading smaller and mid cap enterprises (SME) dropped 0.21 percent, reaching 536 points. The all-embracing EGX 100 index followed suit with 2.28 percent, taking the index down to 414.9 points.