Sou Hu Cai Jing·2025-08-18 04:50Group 1 - Kanto Denka Kogyo Co., Ltd. announced an explosion and severe fire at its nitrogen trifluoride (NF3) production facility in Shibukawa, Gunma Prefecture, Japan, on August 7, resulting in partial damage to one production line and a continued halt in operations as per authorities' instructions [2] - Historical data indicates that the chemical sector tends to outperform the CSI 300 index around the Producer Price Index (PPI) turning points, suggesting that asset allocation plays a significant role in this performance [2] - The current situation is at a PPI monthly year-on-year turning point, but a return to positive year-on-year growth may take over six months, prompting a need to identify new main investment themes while increasing allocation to the chemical sector [2] Group 2 - As of July 31, 2025, the top ten weighted stocks in the CSI Sub-Industry Chemical Theme Index (000813) include Wanhua Chemical, Yilong Co., Ltd., Juhua Co., Ltd., and others, collectively accounting for 43.54% of the index [3] - The Chemical ETF (159870) closely tracks the CSI Sub-Industry Chemical Theme Index, which consists of seven sub-indices reflecting the overall performance of major listed companies in related sub-industries [3]