002513，上演“天地板”

Core Viewpoint - On October 9, the stock of Lanfeng Biochemical experienced a significant drop, reaching its daily limit down, showcasing a "Heaven and Earth Board" phenomenon [1]. Group 1: Stock Performance - Lanfeng Biochemical's stock price fell by 8.75%, trading at 9.49, with a market capitalization of 3.4 billion [2]. - The stock had previously shown strong performance with seven consecutive days of gains before the drop [2]. Group 2: Trading Activity - The stock opened with a limit up before the decline, indicating high volatility in trading [2]. - The trading volume was notable, with a 12.74% turnover rate, reflecting active market participation [2].