科大国创跌2.11%，成交额8283.42万元，主力资金净流出994.67万元

Group 1 - The core viewpoint of the news is that Keda Guokuan's stock has experienced a decline in recent trading sessions, with a notable drop in both revenue and net profit for the first half of 2025 [1][2] - As of September 9, Keda Guokuan's stock price was 24.07 yuan per share, with a market capitalization of 7.023 billion yuan [1] - The company has seen a year-to-date stock price increase of 5.20%, but has declined by 3.02% in the last five trading days and 5.50% over the last 20 days [1] Group 2 - For the first half of 2025, Keda Guokuan reported operating revenue of 498 million yuan, a year-on-year decrease of 24.37%, and a net profit attributable to shareholders of -63.98 million yuan, a decrease of 224.96% [2] - The company has not distributed any dividends in the last three years, with a total payout of 102 million yuan since its A-share listing [3] - As of June 30, 2025, the top ten circulating shareholders included Hong Kong Central Clearing Limited, which reduced its holdings by 256,500 shares [3]