7月17日，Direxion Daily Technology Bull 3x盘中下跌8.73%，报177.57美元/股，成交额9001.53万美元。
消息面上，韩国金融服务委员会正式宣布收紧单一股票杠杆ETF监管，将最低保证金由1000万韩元提至3000万韩元且仅接受现金，同时禁止新产品上市，成为本轮调整的直接导火索。消息公布后，SK海力士暴跌逾13%，三星电子跌超8%，存储概念股集体重挫，跌势迅速传导至欧美市场，费城半导体指数盘初下挫6.61%。此前高盛资金追踪报告已显示对冲基金连续多周净卖出半导体及硬件科技标的，机构获利了结情绪浓厚。作为三倍杠杆ETF，TECL在底层科技板块回调中跌幅被显著放大。
（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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