5月20日，拉姆研究盘中上涨3.03%，报282.54美元/股，成交额1.54亿美元。消息面上，半导体设备板块整体回暖，应用材料涨3.02%，阿斯麦涨2.92%，科磊涨2.48%，板块联动带动个股走强。此前拉姆研究连续承压，5月19日盘中一度下跌超5%，短期超跌后技术性反弹需求较强。
基本面方面，摩根士丹利此前将拉姆研究评级上调至跑赢大盘，目标价上调至331美元，B. Riley目标价维持375美元，当前股价较机构目标价仍有较大上行空间，为反弹提供支撑。
（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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