Increasing sales by Arab investors pushed the Egyptian stock market into decline during morning trading Thursday, while purchases by foreign and Egyptian investors were not able to improve the market's performance. The principal index of the Egyptian stock market, the EGX 30, fell by 0.71 percent. The EGX 20 dropped by 0.51 percent. The small and medium companies' index, the EGX 70, declined by 0.31 percent, while the EGX 100 declined by 0.45 percent. A number of shares witnessed a notable decline, including CIB by 1.05 percent, Amer Group by 1.4 percent, Talaat Mustafa by 1.6 percent, Citadel by 1.9 percent, Orascom Construction Industries by 1.3 percent, and Pioneers by 1.8 percent.