周三（10月22日）盘中，纳指三倍做多ETF（TQQQ）大跌5.03%，主要受到科技股普遍走低的拖累。
当日美股三大指数均呈现下跌态势，其中纳斯达克指数跌幅最大，一度下跌超过1%。作为纳斯达克指数的杠杆化产品，TQQQ的跌幅更为明显。
科技股的普遍下跌是导致TQQQ大幅下挫的主要原因。多家科技巨头股价出现不同程度的下跌，其中奈飞因财报不及预期跌超8%，德州仪器因业绩展望不佳跌超9%。此外，苹果、亚马逊等科技龙头也出现不同程度的下跌。
此外，市场对美国经济前景的担忧也加剧了投资者的谨慎情绪。高盛警告称，市场对美国GDP的预测可能过于乐观，政府停摆期间的数据真空可能导致就业数据最终拖累经济前景。这些因素共同推动了投资者对科技股的避险情绪，进而影响了TQQQ的表现。
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