Zheng Quan Shi Bao·2025-10-29 08:37Market 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, while the ChiNext Index rose nearly 3% [1] - The North Exchange 50 Index surged over 8% in the afternoon session, with total trading volume across Shanghai, Shenzhen, and North exchanges amounting to 22.909 billion yuan, an increase of approximately 1.25 billion yuan from the previous day [1][2] Sector Performance - The photovoltaic industry chain stocks saw significant gains, with Sungrow Power Supply (300274) rising over 15% to reach a historical high, and other companies like Longi Green Energy (601012), Tongwei Co. (600438), and JA Solar Technology (002459) hitting the daily limit [1][6] - The non-ferrous metals sector also performed strongly, with companies like China Tungsten High-Tech (000657) hitting the daily limit for two consecutive days, and Jiangxi Copper (600362) approaching the limit [1][9] - The brokerage sector saw gains, with Huashan Securities (600909) and Northeast Securities touching the daily limit during trading [1] - The Hainan Free Trade Zone concept stocks surged, with Hainan Development (002163) and Hainan Airlines (603069) reaching the daily limit [1] Regulatory Developments - The China Securities Regulatory Commission (CSRC) emphasized the need to improve the listing mechanism for the North Exchange and optimize the disclosure requirements for innovative attributes, aiming to enhance market vitality and the quality of listed companies [2][4] Industry Insights - The photovoltaic sector is showing signs of recovery, with third-quarter performance indicating a bottoming out and marginal improvement due to rising polysilicon prices and previous production cuts improving supply-demand dynamics [8] - The non-ferrous metals sector, particularly tungsten, is experiencing a price increase driven by growing demand from industries such as construction and automotive, alongside supply constraints due to environmental regulations and safety inspections [11]