According to Tongbi Finance, on May 22, SF Diamond (300179) appeared on the leaderboard. Reason for listing: this stock was among the top 5 securities with a daily increase of 15%. The buying amount on the leaderboard was 378 million yuan, the selling amount was 292 million yuan, and the net buying amount was 85.6432 million yuan.

The top 5 buying amounts totaled 376 million yuan. Among them, the first buying position was for Shenzhen Stock Connect, with a purchase of 148 million yuan; the second buying position was for institutional use, with a purchase of 64.7147 million yuan; the third buying position was for institutional use, with a purchase of 60.2079 million yuan; the fourth buying position was for Guotai Junan Securities Co., Ltd. Shanghai Free Trade Zone Second Branch, with a purchase of 54.1491 million yuan; the fifth buying position was for Guoxin Securities Co., Ltd. Beijing Branch, with a purchase of 48.7597 million yuan.

The top 5 selling amounts totaled 292 million yuan. Among them, the first selling position was for Shenzhen Stock Connect, with a sale of 91.3378 million yuan; the second selling position was for CITIC Securities Co., Ltd. Wuhan Zhongbei Road Securities Business Department, with a sale of 76.746 million yuan; the third selling position was for institutional use, with a sale of 44.7108 million yuan; the fourth selling position was for China Galaxy Securities Co., Ltd. Shenzhen Nanshan Coastal City Securities Business Department, with a sale of 43.6812 million yuan; the fifth selling position was for institutional use, with a sale of 35.7479 million yuan.

As of the close on May 22, SF Diamond (300179) hit the daily limit, with a closing price of 32.42 yuan, a circulating market value of 12.124 billion yuan, and a turnover rate of 24.73%.

Tongbi Finance Tip:

SF Diamond (300179.SZ) had an operating income of 525 million yuan in 2024, with an operating income growth rate of -3.19%. The net profit attributable to the parent company was 118 million yuan, with a net profit growth rate of -14.52%, and a return on equity of 9.80%.

In the first half of 2025, the company's operating income was 261 million yuan, with an operating income growth rate of -1.06%. The net profit attributable to the parent company was 53 million yuan, with a net profit growth rate of -15.47%.

Currently, the company belongs to the materials industry, with the main product types being specialized equipment and components. In the 2024 report, the main business composition was coalfield mining: 61.37%; precision processing: 33.37%; others: 5.26%.