“大牛股”，最新公告提示风险！

Group 1 - The core point of the article is that Pingtan Development (000592) announced an abnormal fluctuation in stock trading, with the cumulative price deviation exceeding 20% over three consecutive trading days [1][3] - The company conducted a self-examination and confirmed that there were no violations of information disclosure, and the fundamental business has not undergone significant changes [1][3] - The stock has experienced a significant short-term increase, with two out of the last three trading days hitting the daily limit, indicating potential market sentiment overheating and irrational speculation risks [1][3]