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Market Overview - The overall market experienced a slight rise followed by a pullback, indicating a cooling of previously fervent market sentiment [3] - The Shanghai Composite Index rose by 0.01%, while the Shenzhen Component and ChiNext Index fell by 0.37% and 0.01% respectively, with over 4,000 stocks declining and around 1,200 stocks rising [3] Mosquito Prevention Concept Stocks - Mosquito prevention concept stocks surged against the market trend, with Rainbow Group, Runben Co., and Jiaheng Household Products hitting the daily limit [6] - Other related stocks such as Lafang Household Products, Shanghai Jahwa, and Daan Gene also showed strong performance [6] - The rise in these stocks was catalyzed by the recent outbreak of Chikungunya fever, with over 2,000 confirmed cases reported in Guangdong [8] Brain-Computer Interface - A successful clinical trial of an invasive brain-computer interface was reported, leading to a surge in shares of Fudan Zhuhua, which hit the daily limit [14] - The project aims to help patients regain motor functions, with future plans to control complex physical devices [14] Hainan Free Trade Port - The Hainan Free Trade Port's closure date was confirmed for December 18, aligning with previous expectations [17] - Following the announcement, Hainan-related stocks experienced a brief surge, but subsequently faced significant declines, with Hainan Rui Ze and other local stocks dropping sharply [22][23] - The market reaction reflected a traditional pattern where initial enthusiasm leads to profit-taking after news is released [20]