中国中免A股今日跌停，市场在担忧什么？

Group 1 - The core viewpoint of the news is that China Duty Free Group (CDFG) is facing significant stock price declines due to losing exclusive rights to airport duty-free operations in major hubs, leading to market concerns about its profitability [5][6]. - On February 24, CDFG's A-shares opened down 7% and hit the daily limit down, closing at 85.18 yuan per share with a turnover rate of 2.49% and a transaction volume of 4.18 billion yuan [1]. - CDFG's Hong Kong shares have also seen a substantial decline over three consecutive days, with a cumulative drop of approximately 23% [3]. Group 2 - The recent bidding results for duty-free operations at Beijing and Shanghai airports revealed that CDFG has lost its monopoly, with competitors now sharing the market, which has raised concerns about future earnings [6]. - CDFG's financial performance is showing a downward trend, with projected revenues for 2024 at 56.47 billion yuan, a year-on-year decrease of 16.38%, and a net profit of 4.267 billion yuan, down 36.44% [6]. - For the first three quarters of 2025, CDFG is expected to report revenues of 39.86 billion yuan, a decline of 7.34%, and a net profit of 3.052 billion yuan, down 22.13% [6].