21世纪经济报道·2025-10-27 07:23Market Overview - The A-share market experienced a volatile rise, with the Shanghai Composite Index briefly surpassing 3999 points, reaching a new high for the year. The total trading volume in the Shanghai and Shenzhen markets was 2.36 trillion yuan, an increase of 365 billion yuan compared to the previous trading day [1]. Index Performance - The Shanghai Composite Index closed at 3996.94, up 46.63 points or 1.18% - The Shenzhen Component Index rose by 200.22 points or 1.51%, closing at 13489.40 - The ChiNext Index increased by 21.98 points or 1.50%, closing at 1484.21 - The CSI 300 Index gained 55.34 points or 1.19%, closing at 4716.02 [2]. 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 and others achieving significant gains [3][4]. - The nuclear power sector was active, with stocks like Dongguan Tantalum and Antai Technology seeing notable increases [3]. - Conversely, the wind power sector faced collective weakness, with Haile Wind Power experiencing a significant drop [4]. Storage Industry Insights - The storage sector is experiencing a surge, driven by rising prices from overseas storage giants due to increased demand for high-performance storage chips related to AI applications. This trend is expected to benefit various segments of the storage industry, including storage modules and supporting materials [8]. - The storage index rose by 5.23%, reflecting the overall positive sentiment in the sector [7]. Semiconductor Equipment Developments - The semiconductor equipment sector is also witnessing growth, with multiple stocks showing significant increases. The establishment of the first EUV photoresist standard in China is expected to fill a technological gap and promote the development of the semiconductor industry [12][13]. - The semiconductor materials sector is in a phase of demand expansion and domestic substitution, with expectations for the photoresist market to grow by 6.8% to 17.9 billion yuan by 2025 [13]. Market Outlook - Analysts remain optimistic about the A-share market, citing a favorable risk level and the emergence of competitive enterprises in the context of a new technological revolution. The current low interest rates and supportive government policies are also seen as positive factors for market growth [15][16]. - The "slow bull" market trend is expected to continue, with a focus on the technology sector as a long-term investment theme [16].