2 1 Shi Ji Jing Ji Bao Dao·2026-01-06 13:16Group 1 - Guosheng Technology (603778) and Jiamei Packaging (002969) announced stock suspension for investigation due to significant price fluctuations [1][2] - Guosheng Technology's stock price increased by 370.20% from October 31, 2025, to January 6, 2026, indicating potential market overreaction and irrational speculation [1] - Jiamei Packaging's stock price rose by 230.48% from December 17, 2025, to January 6, 2026, also reflecting a divergence from the company's fundamentals [6] Group 2 - Guosheng Technology's stock will be suspended starting January 7, 2026, for no more than three trading days, pending the outcome of the investigation [2] - Jiamei Packaging's stock will also be suspended from January 7, 2026, for a similar duration, to protect investor interests [6] - Guosheng Technology has diversified into the photovoltaic sector and is pursuing acquisitions to enhance its business model, including a recent cash acquisition of 100% of Tongling Fuyue Technology for 240.6 million yuan [4]