7月22日，拉姆研究夜盘下跌3.01%，报312.3美元/股，成交额506.61万美元。
拉姆研究所在的半导体设备行业中，个股普遍走弱，其中泰瑞达跌3.45%，AXT Inc跌3.33%，应用材料跌3.19%，科磊跌3.14%，阿斯麦跌1.23%。
拉姆研究公司是一家为半导体行业提供创新晶圆制造设备和服务的全球供应商，核心技术能力涵盖纳米应用支持、化学、等离子和流体、先进系统工程等领域，客户群包括领先的半导体存储器、代工和集成器件制造商。
（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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