平潭发展：不存在应披未披重大事项

Group 1 - The company Pingtan Development (000592.SZ) announced that its stock price has deviated significantly, with a cumulative increase of over 20% in closing prices over three consecutive trading days, indicating abnormal trading activity [2] - After verification, the company stated that there have been no significant changes in its recent operating conditions or external business environment, and no major undisclosed information has been found that could impact the stock price [2] - The controlling shareholder and actual controller have not traded the company's stock, and there are no undisclosed significant matters related to the company [2] Group 2 - The company's current rolling price-to-earnings ratio and price-to-book ratio show significant differences compared to industry peers, prompting a cautionary note for investors regarding investment risks [3]