6月23日，Astera Labs盘前下跌6.2%，报408.91美元/股，成交额399.37万美元。
消息面上，纳斯达克100指数成分股调整已于6月22日开盘前正式生效，此前被动型基金强制配置需求集中释放，推动股价自6月17日起连续上涨，生效日当天成交额放大至5.51亿美元。随着指数调整利好完全兑现，前期获利资金出现集中回吐压力。同日半导体板块整体大幅走弱，美光科技跌9.57%、迈威尔科技跌8.81%、英特尔跌8.69%、美国超微公司跌6.36%、英伟达跌3.19%，板块联动对股价形成共振拖累。
（以上内容均基于市场公开消息，由程序或算法智能生成，仅作为股价异动提醒，不作为投资建议或交易依据。）
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