Egyptian Exchange indexes posted collective losses at the close of Monday's trading with the market capital reaching EGP 635.49 billion prompted by regional developments and concerns over expected decisions of the International Monetary Fund and World Bank on global economy. The EGX 30 benchmark index decreased 1.54 percent to stand at 10,256.92 points. The broader EGX 70 EWI of the leading small and mid-cap enterprises (SMEs) nosedived 6.27 percent, recording 1,868.52 points. The all-embracing EGX 100 index was also down 4.94 percent, registering 2,783.33 points.