AI算力继续回调，通信ETF（515880）跌超2%，10日吸金超17亿元

Group 1 - The AI computing power continues to decline, with the communication ETF (515880) dropping over 2%, while funds continue to see net inflows [1] - As of August 20, the communication ETF has seen a net inflow of nearly 1 billion yuan over the past four days and over 1.7 billion yuan in the last ten days, with a current scale exceeding 5.77 billion yuan [1] - The A-share market's optical module sector is experiencing significant growth, driven by factors such as Nvidia's GB200 shipments and higher-than-expected capital expenditures from overseas internet cloud companies [1] Group 2 - The optical module sector holds a core position in the global supply chain, primarily served by companies in mainland China for North American demand [1] - The optical module's share in the communication ETF's underlying index exceeds 40%, with servers and copper connections making up over 60%, indicating a strong focus on key segments in AI and communication indices [1] - There are potential investment opportunities in the related sectors as the overseas AI arms race accelerates, leading to substantial growth potential in the overseas communication equipment chain [1]