截至3月19日收盘，共封装光学(CPO)概念下跌2.75%，位居概念板块跌幅榜前列，板块内，生益科技、景旺电子等跌停，太辰光、德科立、天孚通信等跌幅居前，股价上涨的有4只，涨幅居前的有通宇通讯、华丰科技、合锻智能等，分别上涨1.52%、0.48%、0.34%。
　　今日涨跌幅居前的概念板块
概念今日涨跌幅（%）概念今日涨跌幅（%）兵装重组概念4.16共封装光学(CPO)-2.75减速器1.79AI PC-2.67脑机接口1.65F5G概念-2.41芬太尼1.47铜缆高速连接-2.29赛马概念1.31PCB概念-2.26抽水蓄能0.92云游戏-2.25血氧仪0.71英伟达概念-2.13黄金概念0.67MLOps概念-2.04可燃冰0.66华为盘古-2.04金属锌0.64算力租赁-1.96　　资金面上看，今日共封装光学(CPO)概念板块获主力资金净流出67.34亿元，其中，76股获主力资金净流出，17股主力资金净流出超亿元，净流出资金居首的是天孚通信，今日主力资金净流出7.12亿元，净流出资金居前的还有新易盛、生益科技、弘信电子等，主力资金分别净流出5.05亿元、4.97亿元、4.92亿元。今日主力资金净流入居前的概念股有合锻智能、中京电子、克来机电等，主力资金分别净流入713.40万元、526.54万元、320.06万元。（数据宝）
　　共封装光学(CPO)概念资金流出榜
代码简称今日涨跌幅（%）今日换手率（%） 主力资金流量（万元）300394天孚通信-7.346.03-71156.03300502新易盛-5.377.17-50468.04600183生益科技-10.013.72-49714.23300657弘信电子-6.5015.43-49230.47300308中际旭创-3.563.21-42339.29300570太辰光-8.2011.96-34534.64000938紫光股份-1.731.65-29111.56600601方正科技-5.196.29-24164.86002475立讯精密-0.320.81-23799.26603228景旺电子-9.995.50-23606.97603220中贝通信-4.2710.60-22262.14600522中天科技-2.213.70-22107.17300548博创科技-5.1910.27-18772.37000021深科技-2.232.50-14207.69000988华工科技-2.582.70-13645.40600584长电科技-0.911.19-11999.40002281光迅科技-2.922.51-11170.01300757罗博特科-4.553.12-9133.84600487亨通光电-1.242.30-8711.23300287飞利信-2.536.40-8513.14600498烽火通信-3.002.77-7268.35688205德科立-7.5513.97-6927.96301486致尚科技-3.9110.64-6327.70688167炬光科技-4.596.06-5877.99002396星网锐捷-4.353.80-5576.47300456赛微电子-2.442.60-5156.79002792通宇通讯1.5218.62-4963.95001309德明利-4.465.98-4762.63300408三环集团-1.510.59-4692.23300913兆龙互连-3.042.69-4416.87300620光库科技-3.693.11-4288.88300303聚飞光电-1.512.57-4268.22002429兆驰股份-1.071.14-4249.90688313仕佳光子-3.323.00-3928.38002815崇达技术-2.494.39-3904.75688400凌云光-1.653.88-3463.32688629华丰科技0.485.56-3405.98301165锐捷网络-3.489.83-3307.76603083剑桥科技-1.802.97-3101.50301251威尔高-3.7610.61-3030.04688536思瑞浦-2.651.36-2984.64600105永鼎股份-2.115.11-2658.20002185华天科技-0.900.95-2592.44688048长光华芯-5.325.42-2497.51600703三安光电-1.480.79-2457.94300571平治信息-4.208.52-2237.87002025航天电器-0.430.71-2121.51605358立昂微-1.541.27-2111.37603936博敏电子-2.253.26-1848.74300739明阳电路-1.753.21-1789.02001389广合科技-4.8910.77-1646.32001267汇绿生态-2.941.95-1618.74601869长飞光纤-3.881.67-1542.35301085亚康股份-2.534.85-1443.03688418震有科技-0.872.67-1244.45688518联赢激光-2.363.02-1141.79600353旭光电子-1.942.12-1127.45301205联特科技-3.015.24-1055.83600103青山纸业-0.441.50-1006.99301183东田微-3.006.99-901.75300903科翔股份-1.884.30-834.67688498源杰科技-5.745.22-812.58688685迈信林-1.021.64-792.53688097博众精工-0.992.11-742.40688609九联科技-1.122.90-651.01300812易天股份-1.713.23-584.61688102斯瑞新材-1.510.88-573.59688195腾景科技-2.533.18-475.71002184海得控制-0.415.44-395.61688662富信科技-2.022.03-385.14002902铭普光磁-1.873.57-382.00002897意华股份-0.763.82-285.46003031中瓷电子-1.710.53-270.11688328深科达-0.892.48-201.65688170德龙激光-1.421.41-122.33688183生益电子-4.683.57-37.30002957科瑞技术-0.373.6815.82603052可川科技-0.792.54134.49603960克来机电0.2515.59320.06002579中京电子-0.892.80526.54603011合锻智能0.346.70713.40（文章来源：证券时报网）