At closing bell, the benchmark Shanghai Composite Index was down 0.04%, or 1.42 points, to 3,524.09. The Shenzhen Composite Index, which tracks stocks on China's second exchange, rose marginal 0.07%, or 1.64 points, to 2,436.84. The blue-chip CSI300 index fell 0.37%, or 18.82 points, to 5,069.44.