Mei Ri Jing Ji Xin Wen·2025-09-24 14:00Group 1 - The Shanghai Stock Exchange's Sci-Tech Innovation Board semiconductor materials and equipment index surged by 9.80% as of September 24, 2025, with notable increases in constituent stocks such as ShenGong Co. (up 20.01%), Shengmei Shanghai (up 15.90%), and Jingyi Equipment (up 15.03%) [1] - The Sci-Tech Semiconductor ETF (588170) rose by 9.50%, reaching a peak increase of 10% during trading, marking its third consecutive day of gains [1] - Over the past five days, the Sci-Tech Semiconductor ETF has seen continuous net inflows, with a maximum single-day net inflow of 136 million yuan, totaling 374 million yuan, averaging 7.49 million yuan in daily net inflows [1] Group 2 - The Sci-Tech Semiconductor ETF (588170) and its linked funds (Class A: 024417; Class C: 024418) track the Shanghai Stock Exchange's semiconductor materials and equipment index, encompassing hard-tech companies in semiconductor equipment (59%) and semiconductor materials (25%) [1] - The semiconductor equipment and materials industry is a significant area for domestic substitution, characterized by low domestic substitution rates and high potential for domestic replacement, benefiting from the expansion of semiconductor demand driven by the AI revolution, waves of technology restructuring and mergers, and advancements in lithography technology [1]