Xin Lang Cai Jing·2025-07-29 05:45Group 1 - The core viewpoint is that the recent increase in polysilicon futures prices has positively influenced the sentiment in the photovoltaic sector, with notable stock performances from companies like Foster, which hit the daily limit up [1] - As of July 29, 2025, the CSI Photovoltaic Industry Index (931151) rose by 0.37%, with key stocks such as Foster increasing by 9.21%, and other companies like Dier Laser and Daquan Energy also showing significant gains [1] - The Photovoltaic ETF Fund (516180) increased by 0.33%, with a recent price of 0.61 yuan, and has seen a cumulative increase of 1.50% over the past week, ranking 3rd out of 10 comparable funds [1] Group 2 - As of June 30, 2025, the top ten weighted stocks in the CSI Photovoltaic Industry Index (931151) include companies like Sungrow Power, LONGi Green Energy, and TCL Technology, which collectively account for 55.39% of the index [2]