云计算ETF鹏华(159739)涨超2.1%，字节Seedance 2.0疯狂排队

Group 1 - ByteDance has released the AI video generation model Seedance 2.0, which is referred to as "the strongest video generation model currently available" [1] - There are significant challenges regarding computing power, with queue times reaching several hours and renewal prices nearly doubling [1] - CITIC Securities predicts a surge in domestic large model token usage during the 2026 Spring Festival, with domestic models dominating the top three in global token usage [1] - The explosive growth in token usage reflects an exponential increase in AI inference demand, with domestic computing power expected to gradually dominate the infrastructure layer due to cost advantages and an improving ecosystem [1] - Investment opportunities are suggested in areas benefiting from enhanced supernode interconnectivity, including optical communication, high-speed line modules, switching chips, switches, and IDC [1] - As of February 27, 2026, the CSI Cloud Computing and Big Data Theme Index (930851) rose by 2.30%, with notable increases in constituent stocks such as Yuntian Lifei (up 20.00%) and Yunsai Zhili (up 10.01%) [1] Group 2 - The CSI Cloud Computing and Big Data Theme Index closely tracks the performance of 50 listed companies involved in cloud computing services, big data services, and related hardware [2] - As of January 30, 2026, the top ten weighted stocks in the index include iFlytek, Kingsoft Office, and others, accounting for a total of 48.47% of the index [2]