Core Viewpoint - The stocks of Haixia Innovation and Pingtan Development experienced significant volatility upon resuming trading after a suspension due to abnormal price fluctuations, with both companies confirming no major changes in their operations or disclosures during the period of investigation [1][2][3]. Group 1: Stock Performance and Trading Resumption - Haixia Innovation opened down 17.49% and Pingtan Development slightly down 0.58%, with both stocks showing rapid fluctuations during the trading session [1]. - From October 27 to November 17, Haixia Innovation's stock price surged by 185.89%, while Pingtan Development's stock price increased by 255.19% during the same period [1]. - Both companies were suspended from trading on November 18 due to the extreme volatility in their stock prices [1]. Group 2: Valuation Concerns - Haixia Innovation reported a static P/E ratio of 2141.42 and a rolling P/E ratio of 300.48, significantly higher than the industry average P/E ratio of approximately 69.41 [4]. - Pingtan Development's rolling P/E ratio was 555.31, far exceeding the industry average of 24.42 [4]. - The high valuations of both companies starkly contrast with their financial performance, indicating potential overvaluation [4]. Group 3: Financial Performance - For the first three quarters of 2025, Haixia Innovation achieved a revenue of 92.06 million yuan, a year-on-year increase of only 4.75%, with a net loss of 17.24 million yuan [4]. - Pingtan Development reported a net profit of 31.23 million yuan for the same period, a year-on-year increase of 38.39%, but its revenue decreased by 13.04% to 1.03 billion yuan [5]. - Pingtan Development has faced consecutive losses from 2022 to 2024, with net losses of 230 million yuan, 308 million yuan, and 117 million yuan respectively [5].