7月21日，Allegro MicroSystems盘中上涨6.34%，报48.12美元/股，成交额354.15万美元。
消息面上，半导体板块当日集体走强，SK海力士涨8.46%、美光科技涨7.8%、英特尔涨5.9%、美国超微公司涨4.59%，板块联动效应显著。值得注意的是，巴克莱于7月20日将Allegro评级从"跑赢大盘"下调至"中性"，维持48美元目标价，但市场分析师平均目标价仍为56.55美元，整体机构观点偏多。此外，公司将于7月30日发布一季度财报（预期EPS为0.16美元），财报预期或对短期交易形成支撑。
（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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