资金加速流入，科创半导体ETF（588170）近5个交易日流入超9000万元，规模创近3月新高

Group 1 - The core viewpoint of the news highlights a strong performance in the semiconductor materials and equipment sector, with the STAR Market Semiconductor Materials and Equipment Theme Index rising by 1.19% and notable gains in constituent stocks such as Huafeng Measurement Control (up 7.54%) and Huaxing Yuanchuang (up 6.77%) [1] - The STAR Semiconductor ETF (588170) has reached a new high in scale at 501 million yuan, with a recent net inflow of 41.56 million yuan, indicating strong investor interest [1] - Over the past five trading days, there have been net inflows on four occasions, totaling 90.26 million yuan, with an average daily net inflow of 18.05 million yuan [1] Group 2 - According to TrendForce, the proportion of externally sourced chips in China's AI server market is expected to decrease from 63% in 2024 to 42% by 2025, while domestic chip suppliers' share is projected to rise to 40%, indicating a trend towards domestic substitution [1] - The semiconductor equipment and materials industry is identified as a key area for domestic substitution, characterized by low domestic replacement rates and high potential for growth, benefiting from the expansion of semiconductor demand driven by the AI revolution [2] - The STAR Semiconductor ETF and its linked funds track the STAR Market Semiconductor Materials and Equipment Theme Index, which includes companies in semiconductor equipment (59%) and materials (25%) sectors [2]