--- title: "The three major A-share indices closed collectively lower, with AI application sectors leading the decline" type: "News" locale: "en" url: "https://longbridge.com/en/news/268369057.md" description: "36Kr learned that the three major indices of A-shares closed collectively lower, with the Shanghai Composite Index down 0.51%, the Shenzhen Component Index down 0.78%, and the ChiNext Index down 1.12%; AI applications and consumer electronics concepts led the decline, with SMEI approaching the limit down, ZTE Corporation and 360 Security Technology Inc. down over 4%, and Zhongji Xuchuang down over 3%; the cultivated diamond and energy equipment sectors strengthened against the trend, with Huanghe Xuanfeng and Jerry Holding Corporation hitting the limit up, and Power Diamond rising over 5%" datetime: "2025-12-03T07:07:02.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/268369057.md) - [en](https://longbridge.com/en/news/268369057.md) - [zh-HK](https://longbridge.com/zh-HK/news/268369057.md) --- > Supported Languages: [简体中文](https://longbridge.com/zh-CN/news/268369057.md) | [繁體中文](https://longbridge.com/zh-HK/news/268369057.md) # The three major A-share indices closed collectively lower, with AI application sectors leading the decline 36Kr learned that the three major A-share indices closed collectively lower, with the Shanghai Composite Index down 0.51%, the Shenzhen Component Index down 0.78%, and the ChiNext Index down 1.12%; AI applications and consumer electronics concepts led the decline, with SMEI approaching the limit down, ZTE Corporation and 360 Security Technology Inc. down over 4%, and Zhongji Xuchuang down over 3%; the cultivated diamond and energy equipment sectors strengthened against the trend, with Huanghe Xuanfeng and Jerry Holding Corporation hitting the limit up, and Power Diamond rising over 5% ### Related Stocks - [SMEI (300456.CN)](https://longbridge.com/en/quote/300456.CN.md) - [360 Security Technology Inc. (601360.CN)](https://longbridge.com/en/quote/601360.CN.md) ## Related News & Research - [BCG consultant behind 'AI brain fry' study says she's 'pessimistic' humans can overcome it anytime soon](https://longbridge.com/en/news/279233915.md) - [First Verifiable AI Agents Go Live on Mainnet: Cysic AI Launches Autonomous Agent Swarms with Cryptographic Proof](https://longbridge.com/en/news/279479162.md) - [Mindflair Portfolio Firm Stylus Accelerates AI Edtech Adoption in Schools](https://longbridge.com/en/news/278998413.md) - [12 AI stocks that will skyrocket](https://longbridge.com/en/news/279274043.md) - [SysGroup Transfers Treasury Shares to AI Board Adviser, Updates Voting Rights](https://longbridge.com/en/news/279025337.md)