Group 1 - The battery ETF fund has seen a significant increase in trading volume, with a total transaction of 1.81 million yuan on a single day and an average daily transaction of 8.06 million yuan over the past year [3] - The fund's scale has grown by 47.82 million yuan in the past year, ranking it among the top two in terms of new scale compared to similar funds [3] - The fund's shares have increased by 10.5 million units in the last three months, making it the top performer in terms of new shares among comparable funds [3] Group 2 - The valuation of the index tracked by the battery ETF fund is at a historical low, with a latest price-to-book ratio (PB) of 2.82, which is lower than 84.79% of the time over the past five years, indicating a strong value proposition [3] - Del's announcement of a new investment cooperation agreement with the local government in Huzhou, Zhejiang Province, for a new lithium battery pilot and industrialization project, with a total planned investment of approximately 300 million yuan [3] - Guosen Securities reports that the solid-state battery industry is accelerating, with companies like BMW, Mercedes-Benz, and Chery conducting road tests for solid-state battery prototypes, and various firms making strides in solid-state battery production [3] Group 3 - As of May 30, 2025, the top ten weighted stocks in the CSI Battery Theme Index include CATL, Sungrow Power, Sanhua Intelligent Control, EVE Energy, Greeenmech, Xinwanda, Guoxuan High-Tech, Tianci Materials, Xian Dao Intelligent, and Deyang Co., accounting for 50.34% of the total index [4] - Investors without stock accounts can access battery industry investment opportunities through the battery ETF linked fund (016567) [4]