A股午评：三大指数集体上涨，创指涨1.76%科创50涨近5%，北证50涨1.25%，半导体板块全线爆发！超4000股上涨，成交额14203亿缩量2933亿

Market Overview - The three major A-share indices collectively rose in the morning session, with the Shanghai Composite Index up 0.63% at 3845.91 points, the Shenzhen Component Index up 1.11%, and the ChiNext Index up 1.76% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 14,203 billion yuan, a decrease of 2,933 billion yuan compared to the previous day, with over 4,000 stocks rising across the market [1] Sector Performance - The semiconductor sector led the market gains, with stocks such as Jiangfeng Electronics and Changchuan Technology hitting the daily limit up, and TSMC's 2nm process expected to increase prices by over 50% [2] - Real estate stocks showed strength, with companies like Yucheng Development and Shanghai Lingang also hitting the daily limit up [2] - The photovoltaic equipment sector saw a surge, with Tongrun Equipment hitting the daily limit up and Maiwei Shares rising over 10%, following comments from the National Energy Administration regarding the need to address "involution" in the photovoltaic industry [2] - The oil and gas extraction and service sectors rose sharply due to a significant increase in international oil prices, with companies like Junyou Shares hitting the daily limit up [2] Declining Sectors - The tourism sector continued its downward trend from the previous day, with Yunnan Tourism nearing the daily limit down and Xiyu Tourism dropping over 9% [2] - Coal stocks experienced a general decline, with Lu'an Environmental Energy falling nearly 4% and Jinkong Coal Industry dropping over 2% [2]