A股指数集体高开：创业板指涨0.33%，光通信等板块走强

Market Overview - A-shares opened higher with the Shanghai Composite Index up 0.04%, Shenzhen Component Index up 0.14%, and ChiNext Index up 0.33% [1] - Strong performance observed in sectors such as optical communication, controllable nuclear fusion, superconductors, e-commerce, consumer electronics, and new energy vehicles [1] - Digital currency, cross-border payment, EDA, low-altitude economy, and innovative pharmaceuticals experienced a pullback [1] Index Performance - Shanghai Composite Index: 3363.39, up 0.04% with a trading volume of 326 million [2] - Shenzhen Component Index: 10070.85, up 0.14% with a trading volume of 707 million [2] - ChiNext Index: 2009.37, up 0.33% with a trading volume of 170 million [2] - Northbound 50 Index: 1421.25, down 0.13% [2] US Market Performance - US stock indices closed higher, with the Nasdaq leading the gains, marking the first upward trend since February [3] - Dow Jones increased by 0.51% to 42,519.64 points, S&P 500 rose by 0.58% to 5,970.37 points, and Nasdaq climbed by 0.81% to 19,398.96 points [3] - Most popular Chinese concept stocks saw gains, with notable increases in Li Auto (up 6.07%) and Pinduoduo (up 1.96%) [3] Institutional Insights - Huaxi Securities indicated that A-shares are in a repair phase, with market sentiment recently declining due to fluctuating US tariff policies and slow progress in US-China trade negotiations [4] - Citic Securities highlighted the rising prices of strategic metals like molybdenum and tungsten, suggesting investment opportunities in these sectors due to resource scarcity and increasing demand from new energy and military industries [5] - Haitong Securities expressed optimism about the real estate sector, recommending "three good" real estate stocks and stable property management companies as investment opportunities [6] - Tianfeng Securities maintained a positive outlook on the AI industry as a key investment theme for the year, emphasizing the importance of AI infrastructure and applications [7][8] - Galaxy Securities reported a sustained high growth rate in infrastructure investment, recommending focus on growth stabilization, overseas expansion, and low-altitude economy sectors [9]