Group 1 - The core point of the article highlights the performance and liquidity of the Kexin Semiconductor ETF (588170), which has seen a recent decline of 0.40% as of September 25, 2025, with a latest price of 1.48 yuan. However, it has experienced a significant increase of 13.02% over the past week [1] - The Kexin Semiconductor ETF has a trading volume of 6.10 billion yuan, indicating active market participation, with a weekly average trading volume of 3.86 billion yuan, ranking first among comparable funds [1] - The latest scale of the Kexin Semiconductor ETF has reached 1.689 billion yuan, with a total of 1.145 billion shares, both of which are new highs since its inception, also ranking first among comparable funds [1] Group 2 - In terms of net fund inflow, the Kexin Semiconductor ETF has seen continuous net inflows over the past seven days, with a maximum single-day net inflow of 262 million yuan, totaling 858 million yuan, and an average daily net inflow of 123 million yuan [1] - According to Guosen Securities, global silicon wafer shipments in Q2 2025 reached 3.327 billion square inches, marking positive year-on-year growth for four consecutive quarters and reaching a new high since Q3 2023. This recovery in silicon wafer shipments indicates an end to inventory depletion and an increase in volume, alongside the demand driven by domestic semiconductor manufacturing [1]

Group 1 - The Shanghai Stock Exchange's Sci-Tech Innovation Board semiconductor materials and equipment index fell by 1.62% as of September 25, 2025, with mixed performance among constituent stocks [1] - The Sci-Tech Semiconductor ETF (588170) decreased by 1.75%, with the latest price at 1.46 yuan, while its trading volume was active with a turnover of 18.85% and a total transaction value of 267 million yuan [1] - The latest scale of the Sci-Tech Semiconductor ETF reached a new high of 1.43 billion yuan, with the number of shares also hitting a record of 967 million [1] Group 2 - According to data from SEMI, global silicon wafer shipments in Q2 2025 reached 3.327 billion square inches, marking four consecutive quarters of year-on-year growth and the highest level since Q3 2023 [2] - The semiconductor equipment and materials industry is a key area for domestic substitution, benefiting from the expansion of semiconductor demand driven by the AI revolution and advancements in lithography technology [2] - The Sci-Tech Semiconductor ETF (588170) and its linked funds focus on semiconductor equipment (59%) and materials (25%), indicating a strong emphasis on the upstream semiconductor sector [2]