算力板块表现活跃，云计算ETF（516510）、芯片ETF易方达（516350）标的指数走强

Group 1 - The market showed a rebound after a dip in the morning session, with active performance in AI computing power and semiconductor equipment sectors [1] - By midday closing, the CSI Cloud Computing and Big Data Theme Index and the CSI Chip Industry Index both increased by 1.0%, while the CSI Semiconductor Materials and Equipment Theme Index rose by 1.4% [1] Group 2 - The Cloud Computing ETF tracks the CSI Cloud Computing and Big Data Theme Index, which consists of 50 companies involved in cloud computing services, big data services, and related hardware [3] - The CSI Cloud Computing and Big Data Theme Index recorded a 1.0% increase at midday, with a rolling price-to-sales ratio of 4.8 and a valuation of 98.29 since its inception [3] - The Chip ETF tracks the CSI Chip Industry Index, which includes 50 companies engaged in chip design, manufacturing, packaging, testing, semiconductor materials, and production equipment [3] - The CSI Chip Industry Index also saw a 1.0% increase at midday, with a price-to-book ratio of 6.9 and a valuation of 84.39 since its inception [3]