Group 1 - The core index, the CSI New Materials Theme Index (H30597), increased by 0.92% as of August 28, 2025, with notable gains from constituent stocks such as Putailai (603659) up 7.73% and Western Superconducting (688122) up 6.05% [1] - The New Materials ETF Index Fund (516890) rose by 1.19%, closing at 0.6 yuan, driven by strong performance in new energy materials [1] - Over the past week, the New Materials ETF Index Fund has accumulated a rise of 2.08%, ranking 3rd out of 7 comparable funds [1] Group 2 - As of July 31, 2025, the top ten weighted stocks in the CSI New Materials Theme Index accounted for 51.53% of the index, including companies like CATL (300750) and Longi Green Energy (601012) [2]