The Shangai Composite Index gained 16 points or 0.42 percent on Monday to close at 3732 points. Gains were led by Agricultural Bank of China (3.31%), China Coal (2.81%) and Avic Shenyang Aircraft (2.72%). Biggest losers were Sanan Optoelectron (-4.13%), China Molybdenum (-2.52%) and China Fortune (-2.46%).