机构称半导体已转向业绩兑现阶段，科创半导体ETF（588170）交投活跃

Group 1: Market Performance - The Shanghai Stock Exchange's Sci-Tech Innovation Board semiconductor materials and equipment index decreased by 0.39% as of August 21, 2025 [1] - Among constituent stocks, Jingyi Equipment led with a 7.00% increase, while Shanghai Hejing fell by 4.87% [1] - The Sci-Tech Semiconductor ETF (588170) dropped by 0.52%, with a latest price of 1.14 yuan [1] Group 2: Trading Activity - The Sci-Tech Semiconductor ETF (588170) had a turnover rate of 16.49%, with a trading volume of 68.0184 million yuan, indicating active market participation [1] - Over the past week, the ETF accumulated a 5.51% increase [1] - The ETF's average daily trading volume over the past week was 104 million yuan [1] Group 3: Fund Flows and Growth - The Sci-Tech Semiconductor ETF saw a significant growth of 1.51 billion yuan in size over the past month [1] - The ETF's shares increased by 10.4 million over the past month, indicating substantial growth [1] - Recent net outflow from the ETF was 64.4746 million yuan, but there were 17 days of net inflow totaling 113 million yuan over the last 23 trading days [1] Group 4: Industry Insights - OpenAI's CFO reported a milestone of $1 billion in monthly revenue in July, highlighting the ongoing demand for AI despite challenges in computing power [2] - CITIC Securities noted that tariff policies have provided a temporary boost to sentiment in the semiconductor industry, coinciding with a busy earnings release period in August [2] - The semiconductor equipment and materials sector is crucial for domestic substitution, benefiting from low domestic replacement rates and high potential ceilings under the AI demand expansion [2]