上海证券研究所所长花小伟：A股有望迎来长期缓慢上涨

Core Viewpoint - The article discusses the potential for A-shares to experience a long-term upward trend similar to the U.S. stock market, particularly in the context of the upcoming "15th Five-Year Plan" which is expected to significantly impact China's economic structure and present investment opportunities [1][9]. Group 1: Stock Index Dynamics - The performance of stock indices is positively correlated with the market capitalization of listed companies and negatively correlated with the number of listed companies [2]. - The U.S. stock market has seen an average annual growth of 13% in total market capitalization from 2010 to 2024, with a low expansion rate in the number of listed companies [3]. - The Nasdaq index has a high concentration of market capitalization, with the top 8 tech companies accounting for 53% of its total market value, which enhances overall profitability [4]. Group 2: A-share Market Analysis - A-shares have shown an average annual growth of 11% in total market capitalization from 2010 to 2024, indicating a foundation for long-term growth [5]. - The rapid expansion of the number of listed companies in A-shares, averaging 8% annually, has outpaced the U.S. market, contributing to longer intervals between new highs in total market capitalization [6]. - Recent trends show that A-share total market capitalization increased by 50% from August 2024 to September 2025, while the number of listed companies grew only by 1%, suggesting a potentially better performance in this cycle [7]. Group 3: Future Investment Opportunities - The "15th Five-Year Plan" is expected to create significant investment opportunities, particularly in areas such as technology independence, domestic substitution, and high-end manufacturing [10]. - The construction of a unified national market is anticipated to enhance domestic demand and may lead to a turnaround in cyclical industries like coal, steel, and chemicals [11][12]. - The emphasis on a comprehensive green transition is likely to accelerate opportunities in renewable energy sectors, including solar power, energy storage, and electric vehicles [13].