每經AI快訊，3月20日，港股光通信概念股走強。截至發稿，長飛光纖光纜(06869.HK)漲6.79%、劍橋科技(06166.HK)漲6.04%、京信通信(02342.HK)漲1.74%。
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觀威海 2026-03-18 14:47:02
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