周三，纳指三倍做多ETF（TQQQ）盘中大跌5.03%，引发市场关注。这一大幅下跌主要受到纳斯达克指数及科技股整体走弱的影响。
当日，美股三大指数集体下跌，其中纳斯达克指数跌幅最大，一度超过1%。科技股全线走低，芯片板块普遍下跌，成为拖累大盘的主要因素。
导致纳斯达克指数下跌的原因主要有以下几点：
1. 中美贸易关系紧张：美国总统特朗普就中美高层会晤发表评论，引发市场对贸易紧张局势可能进一步升级的担忧。
2. 美联储利率政策不确定性：市场对美联储未来利率走向存在分歧，增加了投资者的谨慎情绪。
3. 部分科技公司财报不及预期：如奈飞和德州仪器等公司发布的财报或业绩展望低于市场预期，打击了投资者信心。
作为纳斯达克100指数的三倍杠杆ETF，TQQQ对基础指数的变动更为敏感，因此在纳指大跌的情况下出现更为剧烈的跌幅。投资者需警惕杠杆ETF所带来的高风险，尤其在市场波动加剧的情况下。
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