Shares of Ras al-Khaima (RAK) Ceramic (up 6.43% at Dhs1.49) posted the largest advance at the ADX, which ended 0.69% lower at 2,514.01 points. During the first six months the ADX lost 8.37%. The real estate sector index was hit once again by a major retreat. Sector bellwether Aldar Properties weakened 3.50% and closed at Dhs2.73. Only four shares advanced in value, while 19 declined and seven remained flat.