Group 1 - The core viewpoint of the articles highlights the positive performance of the battery ETF and the underlying index, driven by the growth in the new energy vehicle battery industry [1][2][3] - As of July 7, 2025, the battery ETF has seen a net value increase of 34.13% over the past year, with significant monthly returns and a record high of 52.10 billion shares [1] - The top ten weighted stocks in the National Index for New Energy Vehicle Batteries account for 65.51% of the index, indicating a concentrated investment in leading companies like CATL and BYD [2] Group 2 - The battery ETF has experienced a notable inflow of funds, with a total of 4.00 billion yuan over the last five trading days, reflecting strong investor interest [1] - The trend of "anti-involution" is identified as a key driver for market growth, leading to improved economic supply-demand relationships and enhanced corporate profitability [2] - The solid-state battery technology is expected to see significant advancements, with mass production anticipated by 2028-2029, indicating a potential shift in the battery technology landscape [3]