Cai Jing Wang·2025-10-27 12:12Market Overview - On October 27, the A-share market experienced a volatile rise, with the Shanghai Composite Index briefly surpassing 3999 points, setting a new annual high. The total trading volume in the Shanghai and Shenzhen markets reached 2.36 trillion yuan, an increase of 365 billion yuan compared to the previous trading day [1] Sector Performance - The storage chip sector showed strong performance, with multiple stocks hitting new highs, including Demingli and Jiangbolong. The computing hardware sector also maintained its strength, with Huylv Ecological achieving four consecutive trading limits. The nuclear power sector was active, with stocks like Dongguan Tantalum and Antai Technology seeing significant gains. Conversely, the wind power sector faced collective weakness, with Haili Wind Power experiencing a sharp decline [1] Storage Sector Insights - The storage sector saw explosive growth, with companies like Zhongdian Port and Dawi Shares hitting trading limits. The storage index rose by 5.23%, reaching 3742.86 points [2][3] - Analysts from Guojin Securities highlighted the increasing demand for high-performance storage chips driven by the explosion of AI applications, suggesting a focus on the storage industry chain that is experiencing sustained growth [4] Semiconductor Equipment Developments - The semiconductor equipment sector also showed strength, with the index rising by 3.32% to 7336.75 points. The establishment of China's first EUV photoresist standard is underway, which is expected to fill a technical standard gap in the field and provide a unified testing method for performance evaluation [5][6] - The development of this standard is anticipated to benefit the entire semiconductor industry chain, including upstream material suppliers, equipment manufacturers, midstream photoresist producers, and downstream application enterprises [6]