什么是“老庄股”，为何要回避？| 1211 张博划重点

Market Overview - On December 11, the market experienced fluctuations, with the Shanghai Composite Index opening high but closing lower, while the ChiNext Index initially rose over 1% before retreating [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.86 trillion yuan, an increase of 78.6 billion yuan compared to the previous trading day [1] - Nearly 4,400 stocks in the market declined, indicating a broad-based sell-off [1] Stock Performance - The Shanghai Composite Index fell by 0.7%, the Shenzhen Component Index decreased by 1.27%, and the ChiNext Index dropped by 1.41% [1] - The stock of Moore Threads surged nearly 30%, bringing its total market capitalization to over 440 billion yuan [1] Sector Performance - Notable sectors that saw significant gains included aerospace, free trade zones in Hainan, PCB, optical communication, and robotics [3] - The aerospace sector had a notable presence with multiple entries in the top-performing sectors, indicating strong interest and investment [3] - The free trade zone in Fujian and the Haixi concept also showed consistent performance across the week, reflecting ongoing investor confidence in these areas [3]