股票行情快报：朗玛信息（300288）12月12日主力资金净买入66.39万元

Core Viewpoint - The stock of Langma Information (300288) has shown a stable closing price with minor fluctuations, indicating a mixed sentiment among investors as reflected in the recent capital flow data [1][2]. Group 1: Stock Performance - As of December 12, 2025, Langma Information closed at 13.48 yuan, with no change in price [1]. - The trading volume was 33,700 hands, with a total transaction amount of 45.59 million yuan [1]. - The capital flow data indicates a net inflow of 663,900 yuan from institutional investors, accounting for 1.46% of the total transaction amount [1][2]. Group 2: Recent Capital Flow Trends - Over the past five days, the stock has experienced significant fluctuations in capital flow, with a notable net outflow from retail investors on December 11, amounting to 13.41 million yuan [2]. - The net inflow from retail investors on December 12 was 1.60 million yuan, representing 3.51% of the total transaction amount [1][2]. Group 3: Financial Metrics and Industry Comparison - Langma Information's total market capitalization is 4.555 billion yuan, significantly lower than the industry average of 13.319 billion yuan [3]. - The company reported a net profit of 13.507 million yuan for the first three quarters of 2025, a decline of 67.04% year-on-year [3]. - The company's gross profit margin stands at 29.25%, slightly below the industry average of 31.3% [3].