截至3月17日收盘，光纤概念下跌4.81%，位居概念板块跌幅榜前列，板块内，炬光科技、光库科技、长芯博创等跌幅居前，股价上涨的有3只，涨幅居前的有法尔胜、中电鑫龙、魅视科技等，分别上涨10.00%、0.75%、0.03%。
　　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（%）高股息精选0.10共封装光学(CPO)-5.27期货概念0.02F5G概念-4.84互联网保险-0.04光纤概念-4.81特钢概念-0.14PET铜箔-4.30信托概念-0.15光刻机-4.25租售同权-0.19培育钻石-4.12特色小镇-0.206G概念-3.90超级品牌-0.36光刻胶-3.89物业管理-0.49AI PC-3.87免税店-0.50先进封装-3.80　　资金面上看，今日光纤概念板块获主力资金净流出127.85亿元，其中，72股获主力资金净流出，28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20.63亿元，净流出资金居前的还有亨通光电、中国能建、罗博特科等，主力资金分别净流出11.87亿元、7.67亿元、6.72亿元。今日主力资金净流入居前的概念股有三环集团、法尔胜、兆龙互连等，主力资金分别净流入6791.43万元、6108.09万元、5985.61万元。（数据宝）
　　光纤概念资金流出榜
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-10.026.86-206346.33600487亨通光电-8.496.57-118698.24601868中国能建-3.506.49-76656.31300757罗博特科-10.337.04-67159.53600105永鼎股份-4.827.00-64304.08300620光库科技-10.618.34-62602.95002429兆驰股份-8.835.22-55322.41002281光迅科技-5.057.37-53782.51601869长飞光纤-7.384.09-51866.33600522中天科技-7.644.69-41454.88688167炬光科技-12.169.75-39297.73600498烽火通信-8.497.23-39183.18000063中兴通讯-1.841.61-32170.33300548长芯博创-10.459.93-29910.78688048长光华芯-9.728.09-27426.26688313仕佳光子-6.885.68-27285.73002428云南锗业-6.546.61-26199.55300570太辰光-9.7315.05-23348.69688498源杰科技-8.664.18-19528.97002008大族激光-5.393.07-18002.52002179中航光电-2.151.48-17504.53688195腾景科技-8.635.55-16955.12000070特发信息-7.147.14-14781.43000725京东方A-1.181.42-14058.89301486致尚科技-8.7110.37-13360.65600869远东股份-5.492.52-12787.56600497驰宏锌锗-3.411.98-12105.28603688石英股份-4.873.45-11483.91688025杰普特-7.124.97-9444.97002491通鼎互联-7.1010.01-8733.36300398飞凯材料-4.544.70-8585.87002415海康威视-0.440.39-6271.40300265通光线缆-4.4510.24-5995.96002222福晶科技-6.613.64-5993.40300747锐科激光-4.513.21-5831.45300504天邑股份-6.4010.71-5550.37002276万马股份-1.892.33-4602.05603220中贝通信-3.286.55-4246.73688400凌云光-5.973.40-4100.78603618杭电股份-4.156.97-3340.92688143长盈通-7.704.95-3235.37300667必创科技-5.775.03-3004.21603938三孚股份-7.394.34-2910.67600345长江通信-7.427.03-2300.45603690至纯科技-2.752.32-2218.15002829星网宇达-4.153.93-2216.54688518联赢激光-4.492.60-1808.16300565科信技术-7.179.42-1749.89300516久之洋-2.651.86-1641.52300079数码视讯-2.892.75-1603.71301349信德新材-5.116.41-1584.31300252金信诺-3.563.96-1490.63002522浙江众成-3.552.87-1322.58301517陕西华达-2.622.71-1014.67300292吴通控股-1.795.72-939.68000881中广核技-1.961.59-917.75300447全信股份-3.765.53-845.36300351永贵电器-4.035.76-842.86300557理工光科-4.643.04-839.45603386骏亚科技-5.653.28-838.62603042华脉科技-5.6413.08-807.32600184光电股份-3.091.41-736.90301172君逸数码-7.106.50-699.33300270中威电子-3.152.03-685.59688260昀冢科技-3.902.27-616.44002298中电鑫龙0.7514.18-609.15301289国缆检测-3.110.74-231.24300698万马科技-3.342.39-150.27688450光格科技-3.542.52-108.60000720新能泰山-1.723.28-93.77301202朗威股份-6.017.27-66.66688618三旺通信-4.161.24-63.09001229魅视科技0.034.4475.21301329信音电子-2.834.16178.92301182凯旺科技0.004.51275.58688418震有科技-3.062.28330.36300227光韵达-4.725.26354.03000586汇源通信-4.834.20387.41300710万隆光电-1.872.68597.85688170德龙激光-7.317.232342.95301196唯科科技-6.994.592566.65300913兆龙互连-3.204.425985.61000890法尔胜10.0022.966108.09300408三环集团-0.471.716791.43
（文章来源：证券时报网）