证券时报·数据宝统计，截至（9月18日）收盘，沪指报3831.66点，跌44.68点，跌幅为1.15%；深成指报13075.66点，跌139.80点，跌幅为1.06%；创业板指报3095.85点，跌51.49点，跌幅为1.64%。个股方面，今日110只A股换手率超过20%，其中波长光电换手率达五成以上，半数筹码易主。（数据宝）
　　9月18日两市换手率居前个股一览
证券代码证券简称收盘价（元）换手率（%）涨跌幅（%）301421波长光电94.5051.137.24301013利和兴29.2348.0019.99301488豪恩汽电209.0043.99-4.14600410华胜天成23.8043.956.82603370华新精科55.8041.935.58002272川润股份18.5040.629.99002148北纬科技12.1539.866.39301446福事特33.9836.6119.99301629矽电股份174.3536.457.23002562兄弟科技7.1034.94-2.07300331苏大维格38.6834.750.55300499高澜股份34.5134.416.97301389隆扬电子72.8534.2410.26920100三协电机82.3733.98-4.64301012扬电科技27.1233.542.38600537亿晶光电4.5033.073.21838030德众汽车9.8832.8830.00002617露笑科技10.6032.85-1.94300959线上线下73.5032.73-10.37600103青山纸业4.8532.336.83300912凯龙高科20.4931.6813.46301210金杨股份52.3031.557.41603959百利科技7.0231.39-4.36002031巨轮智能9.5131.125.08834407驰诚股份24.2530.918.84301398星源卓镁53.8430.87-6.14002549凯美特气18.8730.454.54832000安徽凤凰26.8030.438.94001400江顺科技81.2430.324.13002759天际股份17.5129.84-1.79603280南方路机43.3929.622.09301575艾芬达56.3929.37-1.10002269美邦服饰3.0229.343.42300507苏奥传感10.4429.2620.00300684中石科技45.0029.110.87002514宝馨科技7.7928.840.65301076新瀚新材57.0228.54-9.03300139晓程科技24.5928.44-8.76300007汉威科技69.7928.131.51300013新宁物流4.6328.090.00301307美利信41.0028.034.86301357北方长龙123.6327.86-2.64001332锡装股份49.6727.82-3.89301368丰立智能77.3827.47-5.76002796世嘉科技19.2927.33-7.22002245蔚蓝锂芯20.4327.144.72601136首创证券22.7827.10-4.61300651金陵体育25.0626.12-4.17600170上海建工3.8825.839.92300368汇金股份16.4025.81-3.81000610西安旅游15.0025.756.69002530金财互联12.4625.75-5.18300969恒帅股份118.5025.577.46832802保丽洁20.5925.281.63603626科森科技17.7024.7410.01002131利欧股份6.4524.682.22688135利扬芯片35.4524.655.38839946华阳变速11.4524.604.38002115三维通信11.8524.45-1.74603980吉华集团6.2224.22-2.81688549中巨芯-U9.9524.214.85300602飞荣达35.6924.0910.19600448华纺股份3.9224.072.62600246万通发展14.7324.070.55002249大洋电机10.6023.36-2.75603158腾龙股份11.9623.3510.03873152天宏锂电35.1123.332.51688629华丰科技106.2123.2520.00300164通源石油5.5823.16-5.90300115长盈精密34.5023.149.04603686福龙马21.0222.899.99832662方盛股份36.9922.734.17301252同星科技31.3722.72-4.04833533骏创科技40.8222.712.64002104恒宝股份25.6722.62-3.57300185通裕重工3.3622.6112.75831834三维装备26.0022.5730.00603667五洲新春51.8022.558.53301002崧盛股份43.1022.50-3.69000056皇庭国际3.0222.48-4.43301008宏昌科技43.8922.414.62301658首航新能36.3922.38-2.41600143金发科技24.0822.1710.00871478巨能股份32.6122.013.46688062迈威生物-U54.7521.8713.21301261恒工精密94.1921.64-3.26002173创新医疗23.4821.61-4.75000718苏宁环球3.3621.593.38300606金太阳23.8021.558.48600706曲江文旅11.8721.5410.01001225和泰机电44.0521.47-0.59836826盖世食品14.3221.451.34301419阿莱德37.3821.44-2.43603359东珠生态10.4221.4310.03603269海鸥股份13.4621.399.97603618杭电股份9.1921.2410.06300456赛微电子26.1821.183.81001282三联锻造21.7720.91-3.24603030全筑股份3.3120.859.97000721西安饮食10.8320.684.94002154报喜鸟4.2520.56-2.97603286日盈电子40.6820.442.86002448中原内配11.2220.44-3.69002975博杰股份69.7820.399.99600580卧龙电驱56.6720.289.61600735新华锦6.8420.272.70001298好上好36.4020.242.30002196方正电机10.5420.131.84300521爱司凯32.3020.0816.56002765蓝黛科技14.5620.070.07（文章来源：证券时报网）