半导体板块震荡，半导体设备ETF易方达（159558）全天获超4000万份净申购

Core Viewpoint - The semiconductor industry chain concept stocks experienced a rise in the morning but fell back in the afternoon, indicating volatility in the market [1]. Group 1: Index Performance - The China Securities Cloud Computing and Big Data Theme Index rose by 0.6% [1]. - The China Securities Semiconductor Materials and Equipment Theme Index decreased by 0.1% [1]. - The China Securities Chip Industry Index fell by 0.9% [1]. Group 2: ETF Activity - The E Fund Semiconductor Equipment ETF (159558) saw a net subscription of over 40 million units throughout the day [1]. - This ETF tracks the China Securities Semiconductor Materials and Equipment Theme Index, which consists of 40 companies involved in semiconductor materials and equipment [6][7]. Group 3: Index Composition - The China Securities Chip Industry Index is composed of 50 stocks related to chip design, manufacturing, packaging, testing, semiconductor materials, and production equipment, focusing on core hardware for future computing [3].