港股芯片股震荡下挫，地平线机器人(09660.HK)跌超4.4%，中芯国际(00981.HK)跌近3%，贝克微(02149.HK)、晶门半导体(02878.HK)均跌超1%。

Group 1 - Hong Kong chip stocks experienced significant fluctuations, with Horizon Robotics (09660.HK) dropping over 4.4% [1] - Semiconductor Manufacturing International Corporation (00981.HK) fell nearly 3% [1] - Other companies such as Baker Hughes (02149.HK) and Jingmen Semiconductor (02878.HK) also saw declines of over 1% [1]