8月18日，Direxion Daily Technology Bull 3x盘前下跌5.44%，报207.7美元/股，成交额84.95万美元。该标的为三倍做多科技板块杠杆ETF，放大了底层科技股的跌幅。
消息面上，日本经济产业省第三轮半导体出口管制新规于8月16日全面落地执行，涵盖光刻混合气、蚀刻沉积高纯氟化物等20大类高端电子特气，所有对华出口改为逐案审批，审批周期拉长至4至6个月。同日，日本对先进封装全链条核心设备也纳入管控清单。管制落地后半导体板块集体承压，华虹宏力跌4.65%、兆易创新跌5.32%、澜起科技跌6.37%，供应链成本及交付周期担忧升温，科技板块整体走弱传导至美股盘前。
（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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