6月16日，Ciena科技盘中下跌3.02%，报449.74美元/股，成交额2.17亿美元。通信设备板块整体承压，Lumentum跌3.21%，Applied Optoelectronics跌3.71%，诺基亚跌2.23%，行业普跌拖累个股表现。
消息面上，公司于6月12日完成28.75亿美元零息可转换优先票据私募发行（含超额配售权全额行使），虽然发行落地消除了部分不确定性，但大规模可转债带来的潜在股权稀释担忧仍在消化中。此前股价从约523美元回调至约426美元后于上周反弹，当前再度回落或反映市场对稀释效应的持续定价调整。
（以上内容均基于市场公开消息，由程序或算法智能生成，仅作为股价异动提醒，不作为投资建议或交易依据。）
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