A股算力硬件概念全线走强 PCB、CPO大爆发，港股科网股普跌|股市早盘

Market Overview - The three major indices showed mixed performance, with the Shenzhen Component Index rebounding while the ChiNext Index lagged [1] - As of the midday close, the Shanghai Composite Index fell by 0.08%, the Shenzhen Component Index rose by 0.28%, and the ChiNext Index decreased by 0.39% [1] - The total trading volume for the day reached 1.65 trillion yuan, with nearly 3,000 stocks declining [1] Sector Performance - AI hardware stocks, including PCB, CPO, and liquid-cooled servers, experienced significant gains, with companies like Tianfu Communication, Shenling Environment, and Huafeng Technology hitting historical highs [1] - The real estate sector saw a pullback as the market reacted to the recent favorable policies in Shanghai, with companies like Huaxia Happiness and Shilian Hang leading the decline [2] - The battery storage sector faced pressure due to concerns over rising lithium carbonate prices impacting profit margins, with companies like Sungrow Power and CATL dropping over 5% [2] Notable Company News - NVIDIA reported better-than-expected earnings for the fourth quarter of fiscal year 2026, with total revenue of $68.13 billion, surpassing analyst predictions of $66.2 billion [1] - NVIDIA's earnings per share were $1.62, exceeding the Wall Street estimate of $1.53 [1] - The company provided a positive revenue guidance for the first quarter of fiscal year 2027, projecting $78 billion, with a 2% fluctuation range, excluding revenue from data centers in China [1] Hong Kong Market - The Hang Seng Index fell by 0.39%, and the Hang Seng Tech Index dropped by 1.65%, with major tech stocks like Baidu and Alibaba declining over 2% [4]