海南自贸概念股，集体爆发

Market Overview - The A-share market showed strong performance in the morning session, with the Shanghai Composite Index recovering above the 3900-point mark and the ChiNext Index rising over 2% at one point [1] - 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] Sector Performance - The Hainan Free Trade Zone concept stocks experienced a collective surge, with nearly 20 stocks including Hainan Airlines and Hainan Ruize hitting the daily limit [3] - The commercial aerospace sector showed repeated strength, with stocks like Shenjian Co. and Beidou Xingtong also reaching the daily limit [3] - The computing hardware sector was active, with the three major optical module companies, referred to as "Yizhongtian," all rising [3] - Semiconductor equipment stocks saw a rally, with companies like Tuojing Technology reaching historical highs [3] - On the downside, the AI medical sector experienced fluctuations, with Huaren Health suffering a significant decline [3] Index Performance - By the end of the trading session, the Shanghai Composite Index rose by 0.64%, the Shenzhen Component Index increased by 1.36%, and the ChiNext Index gained 1.8% [3]