美股盘前，存储股、光通信股齐下跌；美光科技跌3%，闪迪跌逾4%，西部数据跌2%，希捷跌超1%。
康宁跌逾4%，迈威尔科技跌 2%，Coherent、Lumentum跌超2%。
美股盘前，存储股、光通信股齐下跌；美光科技跌3%，闪迪跌逾4%，西部数据跌2%，希捷跌超1%。
康宁跌逾4%，迈威尔科技跌 2%，Coherent、Lumentum跌超2%。
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