Core Viewpoint - The market showed strong performance on December 22, with the Shanghai Composite Index recovering above the 3900-point mark and the ChiNext Index rising over 2% at one point [1] Market Performance - The total trading volume in the Shanghai and Shenzhen markets reached 1.19 trillion yuan, an increase of 97.7 billion yuan compared to the previous trading day [1] - Nearly 3500 stocks in the market experienced gains, indicating broad market strength [1] Sector Highlights - The Hainan Free Trade Zone concept stocks surged, with companies like Hainan Airlines Group (603069) and Hainan Ruize (002596) hitting the daily limit [1] - The commercial aerospace sector showed repeated strength, with Shenjian Co. (002361) and Beidou Xingtong (002151) also reaching the daily limit [1] - The computing hardware sector was active, with the three major optical module companies collectively rising [1] - Semiconductor equipment stocks saw significant gains, with companies like Tuojing Technology reaching historical highs [1] Declining Sectors - The AI medical sector experienced a pullback, with Huaren Health (301408) suffering a significant drop [1] - Sectors such as pharmaceuticals, film and television, and banking saw declines, contrasting with the strong performance of the Hainan Free Trade Zone, precious metals, and computing hardware sectors [1] Closing Figures - At the close of trading, the Shanghai Composite Index rose by 0.64%, the Shenzhen Component Index increased by 1.36%, and the ChiNext Index gained 1.8% [1]