闰土股份：接受中信证券等投资者调研

Group 1 - RunTu Co., Ltd. announced that on October 31, 2025, it will accept investor research from CITIC Securities and others, with participation from Vice General Manager and Board Secretary Liu Boping [1] Group 2 - Nvidia has become the world's first company to surpass a market value of $5 trillion, surpassing Japan's GDP, highlighting its dominance in the GPU market [1] - A hedge fund founder has stated that the logic behind AI investments is nonsensical, indicating that it would take 83 years to break even on such investments [1]