--- title: "Dragon and Tiger List | TDii (002491) hit the limit down, with the top 5 buyers purchasing a total of 353 million yuan, and the top 5 sellers selling a total of 371 million yuan. Reason for being on the list: The daily decline deviation reached 7% for the top 5 securities" type: "News" locale: "en" url: "https://longbridge.com/en/news/287200647.md" description: "TDii (002491) fell to the daily limit on May 21, closing at 21.74 yuan, with a circulating market value of 25.576 billion yuan. The buying amount on the Dragon and Tiger List was 355 million yuan, and the selling amount was 372 million yuan, resulting in a net buying amount of -17.3112 million yuan. The top five buyers collectively bought 353 million yuan, while the top five sellers collectively sold 371 million yuan. The expected operating revenue for 2024 is 2.915 billion yuan, with a net profit of 77 million yuan and a return on equity of 3.09%" datetime: "2026-05-21T10:26:33.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/287200647.md) - [en](https://longbridge.com/en/news/287200647.md) - [zh-HK](https://longbridge.com/zh-HK/news/287200647.md) generator: "portal-rs" --- # Dragon and Tiger List | TDii (002491) hit the limit down, with the top 5 buyers purchasing a total of 353 million yuan, and the top 5 sellers selling a total of 371 million yuan. Reason for being on the list: The daily decline deviation reached 7% for the top 5 securities According to Tongbi Finance, on May 21, Tongding Interconnection (002491) appeared on the Dragon and Tiger List. The reason for being listed: this stock had a daily decline deviation of 7%, ranking among the top 5 securities. The buying amount on the Dragon and Tiger List was 355 million yuan, the selling amount was 372 million yuan, and the net buying amount was -17.31 million yuan. The top 5 buying amounts totaled 353 million yuan. Among them, the first buying position was for Shenzhen Stock Connect, with a purchase of 122 million yuan; the second buying position was for institutional use, with a purchase of 64.01 million yuan; the third buying position was for institutional use, with a purchase of 58.51 million yuan; the fourth buying position was for institutional use, with a purchase of 57.52 million yuan; the fifth buying position was from Guotai Junan Securities Co., Ltd. Chengdu North First Ring Road Securities Business Department, with a purchase of 51.40 million yuan. The top 5 selling amounts totaled 371 million yuan. Among them, the first selling position was for Shenzhen Stock Connect, with a sale of 131 million yuan; the second selling position was from China Merchants Securities Co., Ltd. Shanghai Minhang District Shenchang Road Securities Business Department, with a sale of 87.52 million yuan; the third selling position was for institutional use, with a sale of 56.74 million yuan; the fourth selling position was for institutional use, with a sale of 50.47 million yuan; the fifth selling position was for institutional use, with a sale of 44.86 million yuan. As of the close on May 21, Tongding Interconnection (002491) hit the daily limit down, closing at 21.74 yuan, with a circulating market value of 25.576 billion yuan and a turnover rate of 12.97%. *Tongbi Finance Tip:* *Tongding Interconnection (002491.SZ) had an operating income of 2.915 billion yuan in 2024, with an operating income growth rate of -12.95%. The net profit attributable to the parent company was 77 million yuan, with a net profit growth rate of -67.34%, and a return on equity of 3.09%.* *In the first half of 2025, the company's operating income was 1.522 billion yuan, with an operating income growth rate of 5.39%. The net profit attributable to the parent company was -90 million yuan, with a net profit growth rate of -130.15%.* *Currently, the company belongs to the information technology industry, with main product types including internet services and communication cables. The 2024 report shows the main composition of revenue as follows: communication cables: 39.21%; power cables: 38.37%; communication equipment: 9.82%; optical fiber cables: 7.33%; internet security: 4.12%; other businesses: 1.08%; new energy business: 0.07%.* ### Related Stocks - [002491.CN](https://longbridge.com/en/quote/002491.CN.md) - [601211.CN](https://longbridge.com/en/quote/601211.CN.md) - [02611.HK](https://longbridge.com/en/quote/02611.HK.md) - [600999.CN](https://longbridge.com/en/quote/600999.CN.md) - [06099.HK](https://longbridge.com/en/quote/06099.HK.md) ## Related News & Research - [Nasdaq 100 Short Exposure Hits $20 Billion as Insiders Near ‘15-Year High’ in Buying: Is a Squeeze Imminent?](https://longbridge.com/en/news/296200499.md) - [Consulting's race to become AI native](https://longbridge.com/en/news/296676838.md) - [Negative Link Announces Global Expansion and Next Phase of Growth](https://longbridge.com/en/news/296644416.md) - [S99 PR Announces Signal Press Framework as AI Search Reshapes Brand Discoverability](https://longbridge.com/en/news/296616980.md) - [Is it still protectionism when a national champion is part foreign-owned?](https://longbridge.com/en/news/296408762.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**