ETF日报：AI资本开支持续超预期，热点催化不断，应用端落地兑现有望加速，关注通信ETF、半导体设备ETF

Market Performance - The market experienced a high opening followed by a pullback, with the ChiNext index rising over 2% at one point. The total trading volume in the Shanghai and Shenzhen markets reached 2.2 trillion, an increase of 219.4 billion compared to the last trading day before the holiday [1] - By the end of the trading day, the Shanghai Composite Index rose by 0.87%, the Shenzhen Component Index by 1.36%, the ChiNext Index by 0.99%, and the CSI A500 Index by 1.20% [1] Consumer Trends - During the recent Spring Festival holiday, consumer activity and travel saw a steady increase, supported by consumption promotion policies. The average daily sales of key retail and catering enterprises increased by 8.6% compared to the same period in 2025 [3][19] - Foot traffic and sales in monitored pedestrian streets increased by 4.5% and 4.8% respectively during the first three days of the holiday compared to last year [3][19] - The focus of economic work for 2026 includes "maintaining domestic demand as the main driver" and "coordinating consumption promotion and investment expansion" [3][19] AI Sector Developments - The AI sector continues to see significant capital expenditure and frequent updates to large models, indicating a sustained high level of activity. Companies like Zhiyuan, ByteDance, Alibaba, and MiniMax have released new AI models, with a focus on application and performance improvements [6][22][23] - The global AI model landscape is evolving, with notable releases such as Anthropic's Claude Sonnet 4.6 and Google's Gemini 3.1 Pro, which enhance capabilities in various tasks [7][23] - Domestic companies are also advancing, with Zhiyuan AI launching its GLM-5 model, which ranks first among open-source models in multiple tests [7][23][24] Infrastructure Investment - The North American AI sector is facing electricity shortages, prompting increased investment in grid infrastructure. The PJM, responsible for the largest regional electricity market in the U.S., plans to enhance its grid to support data centers [10][27] - China's State Grid Corporation is expected to invest 4 trillion yuan during the 14th Five-Year Plan, a 40% increase from the previous plan, focusing on main grid construction and improving cross-province transmission capacity [10][28] - The global energy transition is driving demand for grid construction to accommodate renewable energy, with significant potential in underdeveloped regions [10][28] Robotics Sector Insights - The robotics sector saw high expectations during the Spring Festival, but recent performance has been mixed, with the robotics ETF down by 0.71% [14][30] - Companies showcased advanced capabilities during the Spring Festival, with performances highlighting improvements in motion control and stability [31][32] - Future developments, particularly Tesla's V3 release, are anticipated to impact the robotics market significantly, with varying expectations for its success [32]