通信ETF（515880）午后翻红，早盘跌超3%，成交额持续放大

Group 1 - The communication ETF (515880) experienced a significant increase of 9.3% yesterday, followed by a decline of over 3% at today's opening [1] - The ETF rebounded in the afternoon with increased trading volume, and there was a substantial net buying of nearly 800 million yuan yesterday [1] - As of August 28, the communication ETF saw a net inflow of over 3.4 billion yuan in the past 20 days, with a current scale exceeding 8.5 billion yuan [1] Group 2 - The communication ETF's composition includes over 70% in "optical modules, servers, optical fibers, and copper connections," indicating a focus on core computing capabilities [1] - Dongwu Securities suggests that the current market trend is centered around AI technology, recommending attention to structural opportunities within the technology growth sector [1]