The Shangai Composite Index dropped 16 points or 0.41 percent on Thursday to close at 3876 points. Losses were led by Zijin Mining (-3.95%), China Molybdenum (-3.03%) and China Coal (-2.03%). Offsetting the fall, top gainers were Power Construction Corporation of China (2.43%), Greenland Holdings (2.34%) and Inner Mongolia Yili Industrial Group (1.38%).