AI & Enterprise
Zhongji Innolight becomes top-weight stock in CSI300, pushing past CATL
Chinese optical module maker Zhongji Innolight has become the largest-weight constituent of China’s CSI300 index, as investment in AI infrastructure boosts demand for related shares. Its index weighting reached 5 percent, ahead of battery company CATL at 4.1 percent. Technology now accounts for 22 percent of the CSI300, while financials have slipped to 19 percent. The company’s shares have nearly doubled this year.