暴涨超200%，两只大牛股停牌核查

Group 1 - The core viewpoint of the articles highlights that two stocks, Haixia Innovation and Pingtan Development, have experienced significant price fluctuations, leading to their suspension for investigation due to abnormal trading activities [1][4] Group 2 - Haixia Innovation's stock price increased by 185.89% from October 27 to November 17, with three instances of abnormal trading noted [1] - The company reported a net loss of 22.61 million yuan in Q3, despite a revenue increase of 2.25% year-on-year, totaling 19.34 million yuan [1] - The stock's market value reached 12.2 billion yuan after a 20% increase on November 17, with a total price rise of 275.31% from October 17 to November 17 [2] Group 3 - Pingtan Development's stock price surged by 255.19% from October 17 to November 17, with multiple instances of abnormal trading [4] - The company reported a Q3 revenue of 12.2 million yuan, an increase of 8.99% year-on-year, and a net profit of 6.20 million yuan, up 1082.14% [4] - The stock's market value increased from 6.5 billion yuan to 23.1 billion yuan during the same period [4]