Group 1 - The core achievement in solar technology is the development of perovskite micro-modules by NREL and CubicPV, which have achieved a world record efficiency of 24.0% for photovoltaic conversion [1] - The performance of the photovoltaic industry is reflected in the 中证光伏产业指数 (CSI Photovoltaic Industry Index), which has seen a decline of 0.58% as of July 15, 2025, with mixed performance among constituent stocks [1] - The top-performing stocks include 横店东磁 (9.98% increase), 科华数据 (6.85% increase), and 罗博特科 (1.75% increase), while the worst performers include 协鑫集成 (4.83% decrease) and 双良节能 (3.98% decrease) [1] Group 2 - As of June 30, 2025, the top ten weighted stocks in the CSI Photovoltaic Industry Index account for 55.39% of the index, with major companies including 阳光电源, 隆基绿能, and TCL科技 [2]

Group 1 - The core achievement is the development of perovskite micro-modules with a certified photovoltaic conversion efficiency of 24.0%, setting a new world record in the field [1] - The micro-generating device consists of multiple interconnected units, indicating a significant advancement in photovoltaic technology [1]