8月19日，迈威尔科技夜盘下跌3.07%，报209.37美元/股，成交额3672.07万美元。消息面上，半导体板块延续前一交易日重挫态势，费城半导体指数此前单日跌幅达6%，存储芯片遭遇集中获利回吐，迈威尔科技前一交易日已大跌7.82%，夜盘跌势未止。
此外，瑞银近日将迈威尔科技目标价从340美元下调至300美元，维持买入评级，FactSet统计的分析师平均目标价为268.57美元。期权市场方面，此前出现一笔16.47万美元的远月260行权价虚值Call卖出大单，资金押注股价上行受限，情绪偏空。同行业个股中，美光科技跌2.45%、英特尔跌2.65%、美国超微公司跌1.81%，板块整体承压形成共振。
（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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