A股收评：沪指突破3900点刷新2015年8月新高，科创50涨近3%，黄金、可控核聚变及稀土概念股走高

Core Viewpoint - The A-share market experienced significant gains on October 9, with the Shanghai Composite Index reaching its highest level since August 2015, driven by strong performances in sectors such as gold, nuclear fusion, and rare earths, while tourism and real estate sectors faced declines [1] Group 1: Market Performance - The Shanghai Composite Index rose by 1.32% to 3933.97 points, the Shenzhen Component increased by 1.47% to 13725.56 points, and the ChiNext Index gained 0.73% to 3261.82 points [1] - The total market turnover reached 2.67 trillion yuan, with over 3100 stocks rising and nearly 100 stocks hitting the daily limit [1] Group 2: Sector Highlights - The gold sector saw a surge, with multiple stocks including Shandong Gold and Zhongjin Gold hitting the daily limit, following a rise in COMEX gold futures by 1.42% to $4060.6 per ounce, marking a 4.45% increase during the National Day holiday [3] - The controllable nuclear fusion sector experienced a significant rally, with stocks like Haheng Huadong and Guoguang Electric hitting the daily limit, following key breakthroughs in the BEST project in Anhui [2] - The rare earth sector also rose sharply due to the Ministry of Commerce's announcement of export controls on related technologies, with stocks like Northern Rare Earth and Antai Rare Earth reaching their daily limits [6][1] Group 3: Institutional Insights - Huajin Securities noted that the market is likely to continue a slow bull trend post-holiday, with technology and cyclical sectors remaining dominant, supported by positive policies and external events [7][8] - CITIC Construction emphasized the strengthening of technology and gold as key investment themes, with a focus on AI and semiconductor sectors amid a stable economic backdrop [9] - Xinyu Securities highlighted the potential for a new upward momentum in the market, driven by global macroeconomic conditions and structural highlights, with a focus on sectors benefiting from the 14th Five-Year Plan [11]