8月18日，拉姆研究盘中下跌5.21%，报326.11美元/股，成交额1.2亿美元。半导体设备板块集体承压，泰瑞达跌5.01%，应用材料跌4.19%，阿斯麦跌3.46%，科磊跌3.39%，板块共振加剧公司跌幅。
消息面上，同属半导体设备龙头的应用材料此前遭遇"业绩杀"，尽管业绩超预期但因年内涨幅已超100%而遭获利了结，板块估值压力持续传导。拉姆研究前一交易日收涨3.45%后再度承压，短期涨幅快速回吐。公司此前公布的季度营收67.2亿美元创历史新高，基本面稳健，当前回调主要受板块情绪及短期获利盘压制。
（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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