A股三大股指集体高开

Core Viewpoint - The article highlights the performance of the A-share market on September 15, 2025, with a focus on the semiconductor sector leading the gains among various industry sectors [3]. Market Performance - The three major stock indices opened higher, with the Shanghai Composite Index at 3876.1 points, up 0.14%, the Shenzhen Component Index at 12971.43 points, up 0.37%, and the ChiNext Index at 3052.06 points, up 1.05% [3]. - The semiconductor sector showed a significant increase of 3.48%, leading the market, while other sectors such as consumer electronics and food processing also experienced gains [4]. Sector Analysis - The following sectors showed notable performance: - Semiconductor: +3.48% - National Big Fund Holdings: +2.33% - Storage Chips: +1.94% - Advanced Packaging: +1.65% - AI Mobile Phones: +1.46% [4]. - Conversely, sectors such as precious metals, gaming, cultivated diamonds, and tourism & hotels experienced declines [3]. Hong Kong Market - The Hong Kong stock market opened with the Hang Seng Index down 0.3% and the Hang Seng Tech Index down 0.11%, indicating a mixed performance with a strong showing from the semiconductor supply chain [3].