费城半导体指数小幅高开，美光科技涨超3%

Group 1 - The Philadelphia Semiconductor Index opened slightly higher on September 12 [2] - Micron Technology saw an increase of over 3% [2] - AMD and Broadcom rose nearly 1% [2] - Arm experienced a decline of over 1% [2] - Qualcomm fell by nearly 1% [2]