--- title: "Dragon and Tiger List | CEM (002980) fell by 9.78%, with the top 5 buyers purchasing a total of 178 million yuan, and the top 5 sellers selling a total of 433 million yuan. Reason for being listed: The daily amplitude reached 15% for the top 5 securities" type: "News" locale: "en" url: "https://longbridge.com/en/news/287642070.md" description: "CEM (002980) fell 9.78% on May 26, closing at 115.5 yuan, with a circulating market value of 11.699 billion yuan. The buying amount on the Dragon and Tiger List was 186 million yuan, while the selling amount was 514 million yuan, resulting in a net buying amount of -327 million yuan. The top 5 buyers collectively bought 178 million yuan, and the top 5 sellers collectively sold 433 million yuan. The expected operating income for 2025 is 803 million yuan, with a net profit of 89 million yuan and a return on equity of 8.17%" datetime: "2026-05-26T13:19:17.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/287642070.md) - [en](https://longbridge.com/en/news/287642070.md) - [zh-HK](https://longbridge.com/zh-HK/news/287642070.md) generator: "portal-rs" --- # Dragon and Tiger List | CEM (002980) fell by 9.78%, with the top 5 buyers purchasing a total of 178 million yuan, and the top 5 sellers selling a total of 433 million yuan. Reason for being listed: The daily amplitude reached 15% for the top 5 securities According to Tongbi Finance, on May 26, CEM (002980) appeared on the stock market's leaderboard. The reason for its listing: this stock had a daily volatility of 15%, ranking among the top 5 securities. The buying amount on the leaderboard was 186 million yuan, the selling amount was 514 million yuan, and the net buying amount was -327 million yuan. The top 5 buying amounts totaled 178 million yuan. Among them, the first buying position was for institutional use, with a purchase of 54.8346 million yuan; the second buying position was for institutional use, with a purchase of 39.5814 million yuan; the third buying position was for institutional use, with a purchase of 31.0153 million yuan; the fourth buying position was for institutional use, with a purchase of 29.1845 million yuan; the fifth buying position was from GuoXin Securities Co., Ltd. Zhejiang Internet Branch, with a purchase of 23.8688 million yuan. The top 5 selling amounts totaled 433 million yuan. Among them, the first selling position was for institutional use, with a sale of 126 million yuan; the second selling position was for institutional use, with a sale of 83.7543 million yuan; the third selling position was from Guangfa Securities Co., Ltd. Zhengzhou Agricultural Road Securities Business Department, with a sale of 76.891 million yuan; the fourth selling position was for institutional use, with a sale of 75.5342 million yuan; the fifth selling position was from Soochow Securities Co., Ltd. Shanghai Xizang South Road Securities Business Department, with a sale of 71.1063 million yuan. As of the close on May 26, CEM (002980) fell by 9.78%, with a closing price of 115.5 yuan, a circulating market value of 11.699 billion yuan, and a turnover rate of 21.57%. *Tongbi Finance Tips:* *CEM (002980.SZ) is projected to have an operating income of 803 million yuan in 2025, with an operating income growth rate of -0.52%. The net profit attributable to the parent company is expected to be 89 million yuan, with a net profit growth rate of -35.67%, and a return on equity of 8.17%.* *In the first quarter of 2026, the company's operating income is expected to be 167 million yuan, with an operating income growth rate of -13.42%. The net profit attributable to the parent company is expected to be 18 million yuan, with a net profit growth rate of -39.09%.* *Currently, the company belongs to the industrial sector, with main product types including electronic testing and measuring instruments, and transmission equipment. The 2025 report indicates that the main business composition is professional instruments: 41.17%; general instruments: 36.57%; professional testing and scientific analysis instruments: 10.91%; other businesses: 7.9%; new energy types: 2.22%; medical diagnostics and life science analysis instruments: 1.22%.* ### Related Stocks - [002980.CN](https://longbridge.com/en/quote/002980.CN.md) - [002736.CN](https://longbridge.com/en/quote/002736.CN.md) - [000776.CN](https://longbridge.com/en/quote/000776.CN.md) - [01776.HK](https://longbridge.com/en/quote/01776.HK.md) - [601555.CN](https://longbridge.com/en/quote/601555.CN.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) - [Negative Link Announces Global Expansion and Next Phase of Growth](https://longbridge.com/en/news/296644416.md) - [Godrej Consumer Products to Transfer Unclaimed Dividends and Shares to IEPF](https://longbridge.com/en/news/296688620.md) - [FOCUS-Green giant: How Taylor Farms became a top salad supplier before US diarrhea outbreak](https://longbridge.com/en/news/296469939.md) - [Linkdaze’s smart calendar is built to run a household, not just track a schedule](https://longbridge.com/en/news/296708476.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**