证券时报·2025-10-23 03:38Market Overview - A-shares experienced a slight adjustment with major indices showing declines, including a drop of 0.66% in the Shanghai Composite Index and 1.63% in the Sci-Tech 50 Index [2][4] - Despite the overall downturn, the coal sector showed resilience with several stocks hitting the daily limit up, including Dayou Energy and Shanxi Coking Coal [4][6] Sector Highlights - The Shenzhen state-owned enterprise reform concept sector saw significant gains, with stocks like JianKexuan hitting a 20% limit up, and others such as Shenzhen Energy and Shenzhen Grain Holdings also performing well [2][8] - The coal sector was notably strong, with Dayou Energy achieving its 8th consecutive trading day of limit up, and other companies like Zhengzhou Coal Electricity and Shaanxi Black Cat also reaching limit up [4][6] Weather and Economic Factors - A strong cold front is impacting the northern regions of China, contributing to increased coal prices and demand as the winter season approaches [7] - The recent rise in coal prices is attributed to improved downstream inventory replenishment and a tightening supply-demand structure, with coking coal prices expected to remain strong in the short term [7] Policy Developments - Shenzhen has announced an action plan aimed at promoting high-quality development in mergers and acquisitions, targeting a total market value of over 20 trillion yuan for listed companies by the end of 2027 [12] - The plan includes measures to streamline processes for mergers and acquisitions, enhance support for key industry projects, and establish a comprehensive service platform for M&A activities [12]