--- title: "Midday Review: The ChiNext Index fell 0.72% in the first half of the day, while the AI glasses concept surged against the trend, triggering a wave of 涨停 (limit-up) stocks" type: "News" locale: "en" url: "https://longbridge.com/en/news/228954083.md" description: "The three major stock indices collectively adjusted in the morning session, with the ChiNext Index down 0.72%. AI glasses concept stocks performed strongly, with Weida Optoelectronics hitting the daily limit, and Jiemite and Xingxing Technology showing significant gains. The medical services sector also strengthened, with GZYK and IMIC hitting the daily limit. The military electronics sector was active, while the photovoltaic equipment sector adjusted. Overall, more stocks rose than fell, with over 2,900 stocks increasing" datetime: "2025-02-20T03:34:12.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/228954083.md) - [en](https://longbridge.com/en/news/228954083.md) - [zh-HK](https://longbridge.com/zh-HK/news/228954083.md) generator: "portal-rs" --- # Midday Review: The ChiNext Index fell 0.72% in the first half of the day, while the AI glasses concept surged against the trend, triggering a wave of 涨停 (limit-up) stocks The three major stock indices collectively adjusted in the morning session, while the North Exchange 50 rose nearly 2% against the trend. In terms of sectors, the AI glasses concept saw a surge with Weida Optoelectronics hitting the daily limit of 30%, and Jiemite and Xingxing Technology hitting the daily limit of 20%; the medical services sector strengthened, with GZYK and IMIC hitting the daily limit; the military electronics sector was active, with Aerospace Development, Torch Electronics, and GDH hitting the daily limit; the photovoltaic equipment sector fell into adjustment, with Liansheng Technology and Jingang Photovoltaics leading the declines; the AI corpus concept surged and then retreated, with Daily Interaction leading the decline; the film and television theater sector weakened, with Light Media leading the declines. Overall, more stocks rose than fell, with over 2,900 stocks increasing. On the market, rubber products, AI glasses, and medical services sectors led the gains, while the sci-tech innovation new stocks, gaming, and insurance sectors led the declines ### Related Stocks - [002524.CN](https://longbridge.com/en/quote/002524.CN.md) - [000516.CN](https://longbridge.com/en/quote/000516.CN.md) - [300766.CN](https://longbridge.com/en/quote/300766.CN.md) - [603678.CN](https://longbridge.com/en/quote/603678.CN.md) - [002414.CN](https://longbridge.com/en/quote/002414.CN.md) - [300251.CN](https://longbridge.com/en/quote/300251.CN.md) - [300256.CN](https://longbridge.com/en/quote/300256.CN.md) - [000547.CN](https://longbridge.com/en/quote/000547.CN.md) - [300868.CN](https://longbridge.com/en/quote/300868.CN.md) ## Related News & Research - [NORCO: Q2 saw robust growth and record orders, with infrastructure and energy leading performance](https://longbridge.com/en/news/296469313.md) - [Hocklynn Releases Industry Study Highlighting Fatigue-Risk Advantages of Punching Over Laser Cutting](https://longbridge.com/en/news/296635862.md) - [23:12 ETJA Powers Fisher & Paykel Healthcare's Green Transition with New Zealand's Largest Rooftop PV System](https://longbridge.com/en/news/296428718.md) - [Lithium Chile sale to China Union faces Canada national security review notice under Investment Canada Act](https://longbridge.com/en/news/296103579.md) - [04:31 ETGovee Collaborates with Interior Designers to Showcase Smart Lighting as a New Element of Home Design](https://longbridge.com/en/news/296458067.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**