An investor is seen at a stock exchange in Nanjing, capital of east China's Jiangsu Province, March 4, 2019. Chinese shares closed higher Monday, following MSCI's decision to increase the weight of China A-shares in its indexes and the newly unveiled regulations on the sci-tech board. The benchmark Shanghai Composite Index gained 1.12 percent to finish at 3,027.58, breaking through the 3,000-point level. (Xinhua/Su Yang)