两只大牛股，突遭停牌核查

Group 1 - Guosheng Technology announced a stock suspension for investigation due to significant price fluctuations, with a cumulative increase of 370.20% from October 31, 2025, to January 6, 2026, including five instances of abnormal price movements [2][3] - The company reported a net loss of 151 million yuan for the first three quarters of 2025, with a revenue of 450 million yuan, a year-on-year decline of 57.79% [4] - Guosheng Technology's stock price reached 21.30 yuan per share on January 6, 2026, with a total market capitalization of 13.986 billion yuan, reflecting an increase of over 512% since October 13, 2025 [5] Group 2 - Jiamei Packaging also announced a stock suspension due to a price increase of 230.48% from December 17, 2025, to January 6, 2026, indicating a significant deviation from the company's fundamentals [7][8] - The company reported a revenue of 2.039 billion yuan for the first three quarters of 2025, with a net profit of 39.16 million yuan, representing a year-on-year decline of 1.94% and 47.25%, respectively [9] - Jiamei Packaging's stock price closed at 15.07 yuan per share on January 6, 2026, with a market capitalization of 14.801 billion yuan, achieving 12 trading limits in 16 days [10]