美股周一收盘涨跌不一：道指跌0.76%，纳指微跌0.2%，标普500指数跌0.43%
科技股表现分化，英伟达(NVDA.O)逆势收涨1%，特斯拉(TSLA.O)涨近2%；加密货币相关个股承压，Coinbase(COIN.O)跌4%，Circle(CRCL.N)跌7%。
中概股整体小幅上扬，纳斯达克中国金龙指数微涨0.11%。个股方面，哔哩哔哩(BILI.O)跌3%，蔚来汽车(NIO.N)跌4%。
对投资者的影响：美股主要指数回调显示市场情绪趋于谨慎，科技股走势分化反映资金选择性配置，中概股波动仍需关注政策与基本面变化，投资者应警惕单一资产风险，保持分散投资策略。
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