两大牛股公告！今起停牌核查

Group 1: Guosheng Technology - Guosheng Technology's stock price increased by 370.2% over two months, leading to a suspension for investigation due to abnormal trading fluctuations [2][3] - The company has faced significant losses, with a net profit of -151 million yuan for the first three quarters of 2025, indicating a disconnect between stock performance and financial health [5] - The company is involved in high-efficiency heterojunction photovoltaic cell production, with potential liquidity risks from recent investments and acquisitions [2][5] Group 2: Jiamei Packaging - Jiamei Packaging's stock price surged by 230.48% in half a month, prompting a suspension for investigation due to deviation from the company's fundamentals [6][7] - The company reported a net profit of 39.16 million yuan for the first three quarters of 2025, a decline of 47.25% year-on-year, highlighting a disparity between stock price and actual performance [9] - The company specializes in the research, design, production, and sales of food and beverage packaging containers, with ongoing changes in its controlling shareholder potentially affecting its future [6][7]