Group 1 - The three major indices experienced fluctuations and increased, with the photovoltaic equipment sector leading the gains, particularly in silicon energy and solid-state battery concepts, as the China Securities New Energy Index rose by 1.27% [1] - The New Energy ETF (159875) increased by 1.15%, with constituent stocks such as Daqo New Energy rising over 16%, and Dongfang Risheng increasing over 15%, while Tongwei Co., Ltd. and GCL-Poly Energy Holdings Ltd. hit the daily limit [1] - The New Energy ETF closely tracks the China Securities New Energy Index, which selects listed companies involved in renewable energy production, application, storage, and interaction devices to reflect the overall performance of the new energy industry [1] Group 2 - Dongguan Securities emphasized that improving photoelectric conversion efficiency and reducing production costs are core to the photovoltaic industry's development, necessitating continuous new product launches in the photovoltaic equipment sector to meet technological advancements [2] - Industrialization of solid-state batteries is accelerating, with 2025 identified as a critical turning point, as companies across the supply chain are rapidly establishing production lines in preparation for mass production of solid-state battery models [2]