涨超4.1%，科创半导体ETF(588170)连续4天净流入

Core Viewpoint - The semiconductor materials and equipment theme index on the STAR Market has shown strong performance, with significant increases in both the index and its constituent stocks, indicating a bullish trend in the sector [1]. Group 1: Index Performance - As of December 22, 2025, the STAR Market semiconductor materials and equipment theme index (950125) rose by 4.45% [1]. - Key constituent stocks such as Aisen Co., Ltd. (688720) increased by 19.00%, Chipone Technology (688037) by 10.08%, and Tuojing Technology (688072) by 9.97% [1]. - The STAR semiconductor ETF (588170) also saw a rise of 4.14%, with a latest price of 1.51 yuan [1]. - Over a two-week period leading up to December 19, the STAR semiconductor ETF accumulated a total increase of 3.50% [1]. Group 2: Liquidity and Trading Activity - The STAR semiconductor ETF experienced a turnover rate of 18.08% during trading, with a total transaction volume of 685 million yuan, indicating active market participation [1]. - The average daily trading volume for the STAR semiconductor ETF over the past week was 543 million yuan [1]. Group 3: Fund Flows and ETF Growth - The STAR semiconductor ETF saw a significant growth in scale, increasing by 109 million yuan over the past week [2]. - The latest share count for the STAR semiconductor ETF reached 2.537 billion shares, marking a one-month high [2]. - The ETF has experienced continuous net inflows over the past four days, with a peak single-day net inflow of 117 million yuan, totaling 166 million yuan in net inflows, averaging 41.54 million yuan per day [2]. Group 4: Top Constituent Stocks - As of November 28, 2025, the top ten weighted stocks in the STAR Market semiconductor materials and equipment theme index accounted for 74.68% of the index [3]. - The top stocks include Tuojing Technology (688072), Zhongwei Company (688012), and Huahai Qingke (688120), among others, with varying weight percentages [4].