突发！000592、603122，尾盘直线跳水！

Market Overview - A-shares experienced a volatile rise, with major indices showing overall activity; the Hang Seng Tech Index increased by over 1% [1] - The Shanghai Composite Index rose by 0.36% to 3890.45 points, while the Shenzhen Component Index increased by 0.66% and the ChiNext Index by 0.49% [1] - Total trading volume in the Shanghai, Shenzhen, and Beijing markets reached 1.7489 trillion yuan, an increase of over 70 billion yuan compared to the previous day [1] Sector Performance - The real estate sector saw gains, with Zhongtian Service achieving three consecutive daily limits [1] - Dairy stocks collectively rose, with Zhuangyuan Pasture hitting daily limits for three days in a row [1] - The Hainan Free Trade Zone concept surged in the afternoon, with China Duty Free hitting a daily limit and other related stocks like Kangzhi Pharmaceutical and Hainan Rui Ze also seeing significant increases [3][4] New Listings - Yuxun Co., which debuted on the Sci-Tech Innovation Board, saw a remarkable increase of 346.6%, closing at 230.7 yuan per share, with a peak of 289 yuan per share, yielding a maximum profit of 118,700 yuan per contract [2] Hainan Free Trade Zone - The implementation of the Hainan Free Trade Port's closure policy is expected to bring new investment opportunities, particularly in tourism, modern services, and high-tech industries [5] - The policy includes zero tariffs and tax exemptions for processing and value-added services, which are anticipated to attract significant investment and boost related companies' performance [5][6] Controlled Nuclear Fusion - The controlled nuclear fusion concept saw a strong rise, with companies like LIGONG Optical Science and Technology hitting daily limits [7] - The industry is expected to experience rapid development, with significant technological breakthroughs anticipated by 2025, leading to increased investment opportunities [9] Stock Volatility - Several strong stocks, including Pingtan Development and HeFu China, experienced sudden declines at the end of the trading day, with Pingtan Development dropping by 7.48% after a two-month increase of approximately 310% [10][11] - HeFu China also saw a decline of about 3%, following a cumulative increase of approximately 349% from late October to mid-December [13]