Group 1 - A-shares indices have turned positive, with the semiconductor sector taking the lead, as companies like Jingyi Equipment, Tuojing Technology, and Xinyuan Microelectronics saw significant gains of 9.97%, 6.3%, and 5.7% respectively, contributing to a 3.29% increase in the Sci-Tech Semiconductor ETF and a 0.72% rise in the Aerospace ETF [1][2] - Tuojing Technology announced plans to raise 4.6 billion yuan for the construction of a high-end semiconductor equipment industrialization base, a cutting-edge technology research center, and to supplement working capital [2] - Quartz Co. confirmed that it has begun mass production and sales of semiconductor-grade quartz tubes and other high-end quartz material products [2] - Domestic GPU chip manufacturer Muxi Co. is accelerating its IPO process, with official subscription set for December 5 [2] - The Zhuque-3 rocket is scheduled for its maiden flight on November 29, which, if successful, will mark it as the world's third reusable rocket and a key development in reducing launch costs for China [2] - The 2025 Asia General Aviation Exhibition is being held from November 27 to 30 in Zhuhai, showcasing new products, technologies, and services in the global general aviation and low-altitude economy sectors [2] Group 2 - The Aerospace ETF has seen a net inflow of over 417 million yuan in the past 20 days, with a high concentration of 98.2% in the primary military industry, making it the index with the highest military content in the market [3] - Key components of the Aerospace ETF include companies such as Guoke Technology (metamaterials stealth technology), AVIC Shenyang Aircraft Corporation (fighter jet manufacturing), Aero Engine Corporation of China (aero engines), AVIC Chengfei (drone systems), and Great Wall Military Industry (ammunition and smart weapon systems) [3]

格隆汇11月27日｜石英股份在互动平台表示，公司以半导体级高纯石英砂为基础，已成功量产并销售半 导体级石英管、棒、筒、锭等多种高端石英材料产品。这些产品主要应用于半导体制造工艺中的扩散、 刻蚀等关键环节。公司生产的半导体级高纯石英砂目前仅供自用。 ...