主板ST股涨跌幅限制从5%调至10%，首日16只涨停！

Core Viewpoint - The recent proposal by the Shanghai and Shenzhen Stock Exchanges aims to adjust the daily price fluctuation limit for risk warning stocks on the main board from 5% to 10%, aligning them with regular stock trading rules [1][3]. Group 1: Regulatory Changes - The current 5% fluctuation limit was established on April 22, 1998, primarily to alert investors to risks associated with ST stocks [3]. - The adjustment is intended to enhance market pricing efficiency, allowing stocks to better absorb positive or negative factors within a larger price range [3]. - The new regulation aims to reduce discrepancies in price fluctuation limits among different stock categories within the main board, thereby alleviating volatility in risk warning stocks [3]. Group 2: Market Reaction - Following the announcement of the new regulation, the main board risk warning sector showed significant activity, with nearly 70% of the 88 stocks rising, and 16 stocks hitting the daily limit [3][4]. - Notable stocks such as ST Rindong, ST Yingfit, and ST Huicheng reached their daily limit, while only ST Xintong experienced a decline [3]. Group 3: Investment Considerations - The adjustment allows for greater daily price movement, which may increase short-term risks for investors, potentially leading to larger single-day losses [4]. - Investors are advised to be cautious and to focus on stocks with a high certainty of "removing the ST label," while maintaining strict position control and stop-loss discipline [4].