8月4日，阿斯麦盘中上涨3.09%，报1694.34美元/股，成交额2.86亿美元。
消息面上，阿斯麦于8月3日披露其在现行股票回购计划下的最新交易情况，显示公司正持续推进回购操作，向市场传递管理层对公司价值的信心。同时，阿斯麦核心供应商蔡司表示有信心满足产能需求，并启动总部扩建与新建厂计划，缓解AI芯片产能焦虑。此前阿斯麦因中国国产DUV光刻机量产传闻7月累计跌幅超18%，当前股价受超跌后资金回流及回购支撑共同推动。半导体设备板块同步走强，拉姆研究涨4.88%，应用材料涨3.93%，泰瑞达涨6.14%。
（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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