上海板块强势拉升，上海九百、复旦复华涨停，乐鑫科技等大涨

Group 1 - Shanghai stock market experienced a strong rally on November 11, with notable gains in stocks such as Xuantai Pharmaceutical rising over 16%, Runxin Technology up over 13%, and Lexin Technology increasing by more than 11% [1] - The Shanghai Municipal Government recently issued the "Shanghai Support for Listed Companies Mergers and Acquisitions Action Plan (2025-2027)", aiming to establish a number of representative merger cases in key industries by 2027, including integrated circuits, biomedicine, and new materials [1] - The plan targets the cultivation of around 10 internationally competitive listed companies, achieving a merger transaction scale of 300 billion yuan, activating total assets exceeding 2 trillion yuan, and enhancing the capabilities of intermediary institutions in merger services [1] Group 2 - The notification encourages traditional industries, including finance and logistics, to upgrade and transform, promoting mergers and acquisitions within the same industry and across upstream and downstream sectors to reasonably increase industry concentration [2] - It emphasizes the establishment of a mechanism for discovering and reserving merger targets, focusing on key industries such as integrated circuits, biomedicine, and artificial intelligence, as well as new energy vehicles and advanced materials [2] - The notification also highlights the role of state-owned listed companies in leading high-quality mergers and acquisitions, aiming to enhance core functions and support the transformation of traditional industries [2]