--- title: "The Hang Seng Index opened down 2.65%, and the Hang Seng Tech Index fell 3.79%" type: "News" locale: "en" url: "https://longbridge.com/en/news/278300876.md" description: "The Hang Seng Index opened down 2.65%, and the Hang Seng Tech Index fell 3.79%. Oil stocks performed strongly, with CNOOC rising over 8% and PETROCHINA up 7%. Market risk warnings are in place; investment should be approached with caution. This article does not constitute personal investment advice, and users should make investment decisions based on their own circumstances" datetime: "2026-03-09T01:27:38.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/278300876.md) - [en](https://longbridge.com/en/news/278300876.md) - [zh-HK](https://longbridge.com/zh-HK/news/278300876.md) --- > Supported Languages: [简体中文](https://longbridge.com/zh-CN/news/278300876.md) | [繁體中文](https://longbridge.com/zh-HK/news/278300876.md) # The Hang Seng Index opened down 2.65%, and the Hang Seng Tech Index fell 3.79% Oil stocks surged, with CNOOC rising over 8% and PETROCHINA up 7%. Risk Warning and Disclaimer The market has risks, and investment should be cautious. This article does not constitute personal investment advice and does not take into account the specific investment objectives, financial situation, or needs of individual users. Users should consider whether any opinions, views, or conclusions in this article are suitable for their specific circumstances. Investment based on this is at one's own risk ### Related Stocks - [PETROCHINA (00857.HK)](https://longbridge.com/en/quote/00857.HK.md) - [PETROCHINA (601857.CN)](https://longbridge.com/en/quote/601857.CN.md) - [CNOOC (00883.HK)](https://longbridge.com/en/quote/00883.HK.md) ## Related News & Research - [CNOOC Says Unaware of Reason for Share Price Movement](https://longbridge.com/en/news/277741273.md) - [CNOOC's Actual Controller Boosts Shareholding](https://longbridge.com/en/news/277784378.md) - [PetroChina responds to unusual share price moves](https://longbridge.com/en/news/277621363.md) - [CNOOC Group Lifts Stake in CNOOC Limited to Over 62%](https://longbridge.com/en/news/277780202.md) - [CNOOC increased shareholdings in co's A-shares by 705,500 shares for RMB30 mln from Oct 9 to Mar 4](https://longbridge.com/en/news/277806674.md)