证券时报·2025-10-29 08:30Market Overview - The A-share market experienced a strong rally on October 29, with the Shanghai Composite Index surpassing 4000 points, reaching a 10-year high. The ChiNext Index rose nearly 3%, and the North Exchange 50 Index surged over 8% [1][2]. Shanghai Composite Index - The Shanghai Composite Index closed at 4016.33 points, up 0.7%. The Shenzhen Component Index increased by 1.95% to 13691.38 points, while the ChiNext Index rose by 2.93% to 3324.27 points. The North Exchange 50 Index saw a significant increase of 8.41% [2][4]. Trading Volume - The total trading volume across the Shanghai, Shenzhen, and North exchanges reached 22909 billion yuan, an increase of approximately 1250 billion yuan compared to the previous day [2]. Sector Performance Photovoltaic Industry - The photovoltaic sector saw explosive growth, with stocks like Sungrow Power Supply rising over 15%, reaching a historical high. Other companies such as Longi Green Energy, Tongwei Co., and JA Solar Technology also hit their daily limit [2][9]. - The market capitalization of Sungrow Power Supply is now nearly 400 billion yuan [9]. Nonferrous Metals Sector - The nonferrous metals sector performed strongly, with companies like China Tungsten High-Tech and Jiangxi Copper nearing their daily limit. The sector was driven by rising prices in tungsten and aluminum [13][15]. - Tungsten prices have increased due to growing demand and supply constraints, with black tungsten concentrate prices rising to 288,000 yuan per ton [15]. Securities Sector - The securities sector also saw gains, with companies like Huashan Securities and Northeast Securities reaching their daily limit during intraday trading [2]. Hainan Free Trade Zone - Stocks related to the Hainan Free Trade Zone, such as Hainan Development and Hainan Airlines, also experienced significant gains, hitting their daily limit [2]. Regulatory Developments - The China Securities Regulatory Commission (CSRC) announced plans to improve the listing mechanism for the North Exchange, aiming to enhance the quality of listed companies and stimulate market activity [7]. Future Outlook - Analysts suggest that the recent adjustments in the North Exchange have created new valuation opportunities, particularly for newly listed companies with strong profit potential and innovative attributes [7]. Conclusion - The A-share market's strong performance on October 29 reflects a shift in investor focus towards sectors like photovoltaic and nonferrous metals, driven by regulatory support and improving market conditions [1][2][7].