周一夜盘，纳指三倍做空ETF（SQQQ）大跌5.02%，引发市场关注。这一大幅下跌主要是由于美股期货高开，特别是纳斯达克指数期货的强劲表现。
据市场消息，美股三大股指期货于周一开盘走高，其中纳指期货涨幅最大，达到1.5%。标普500指数期货和道指期货也分别上涨1%和0.8%。作为一个三倍杠杆的反向ETF，SQQQ的价格走势与纳斯达克指数呈现出明显的反向关系，因此在纳指期货大涨的背景下，SQQQ随之出现大幅下跌。
值得注意的是，虽然美股期货开盘走高，但市场仍存在一些不确定性。上周美股虽然出现反弹，但一些华尔街机构仍呼吁"逢高抛售"，警惕可能出现的"熊市反弹"。投资者在操作SQQQ等杠杆产品时应当谨慎，充分认识其高风险特性。
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