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週二,光通信概念股全線回調。截至發稿, Lumentum Holdings Inc. 大跌超7%,康寧跌超6%, Ciena科技 跌超4%, POET Technologies Inc 跌0.7%, Applied Optoelectronics Inc. 漲幅收窄至0.4%,盤初一度大漲12%。