【美股收盘：标普500指数再创收盘新高 光通信板块大涨】美股三大指数集体收涨，道指涨0.28%，标普500指数涨0.62%，纳指涨1.3%。其中，标普500指数再创收盘新高。美股光通信板块大涨，Coherent涨超13%，Credo涨超8%，Lumentum涨超6%，康宁涨超5%，迈威尔科技涨超3%。
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