创业板指半日涨2.81% AI硬件股持续活跃

Group 1 - A-shares experienced an upward trend with the Shanghai Composite Index reaching a new high of 3688.09 points, surpassing the previous high of 3674.40 points on October 8, 2024, marking the highest level since December 17, 2021 [1] - The Shanghai Composite Index closed up by 0.56%, the Shenzhen Component Index rose by 1.47%, and the ChiNext Index increased by 2.81% [1] - Key sectors showing strong performance included AI hardware stocks such as liquid cooling servers and CPO, with companies like Guangku Technology and Dayuan Pump Industry hitting the daily limit [1] Group 2 - The non-bank financial sector showed collective strength, with Jiuding Investment achieving three consecutive limit-ups, and Changcheng Securities and Guosheng Financial Holding also reaching their daily limits [1] - Other sectors that performed well included ground equipment, medical services, and communication devices [1] - In contrast, sectors such as gold and jewelry, chicken, and coal experienced notable declines [1]