AI概念股盘初走弱，海天瑞声跌超8%

Group 1 - AI chip and application concept stocks weakened at the beginning of trading, with Hai Tian Rui Sheng dropping over 8% [1] - Cambricon Technologies fell more than 6%, indicating a significant decline in market performance [1] - Other companies such as Hengxuan Technology, Hengsheng Electronics (600570), and Haiguang Information also experienced declines [1]