证券时报·数据宝统计，截至（8月20日）收盘，沪指报2866.66点，跌27.01点，跌幅为0.93%；深成指报8252.87点，跌104.03点，跌幅为1.24%；创业板指报1567.97点，跌21.32点，跌幅为1.34%。个股方面，今日51只A股换手率超过20%，其中，腾达科技、辰奕智能等4只个股换手率达五成以上，半数筹码易主。
　　8月20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（%）001379腾达科技31.7777.3110.01301578辰奕智能47.7759.2219.99300184力源信息7.6553.504.37301611C珂玛32.3152.090.81300622博士眼镜30.4344.32-9.49300050世纪鼎利4.9043.27-13.43001298好上好25.3143.06-2.16601921浙版传媒9.5738.4010.00301568思泰克32.9133.683.17301182凯旺科技21.4532.99-5.46300027华谊兄弟2.9431.4819.03301288清研环境16.1931.37-16.24600326西藏天路6.1729.877.12002888惠威科技16.0328.633.62872374云里物里13.0728.3729.92300299富春股份5.1228.31-13.51603122合富中国6.0028.25-7.83301550斯菱股份47.3427.213.88301151冠龙节能15.5926.751.23300630普利制药12.1526.724.92003026中晶科技32.8726.487.38603310巍华新材18.0826.26-5.34603375盛景微37.6825.640.88001314亿道信息38.0025.51-5.54301101明月镜片26.1325.393.44300584海辰药业22.5324.91-5.73600187国中水务3.3224.469.93300241瑞丰光电4.4324.1110.20300256星星科技2.5224.06-12.50600686金龙汽车15.7923.87-6.84300875捷强装备24.4623.42-6.43301312智立方39.9023.00-3.88300061旗天科技7.2422.6620.07300556丝路视觉18.1922.378.08839946华阳变速4.7922.325.97300468四方精创9.5522.280.53002370亚太药业3.0821.97-8.61920002万达轴承51.4921.866.91300139晓程科技13.6821.79-2.22300147香雪制药8.0521.460.37871753天纺标27.0021.0611.57300180华峰超纤4.4521.02-1.11301606绿联科技28.7121.002.87300511雪榕生物3.3220.95-9.29688721龙图光罩28.9320.93-1.23833030立方控股13.1820.64-3.37301016雷尔伟22.1020.54-5.80300478杭州高新9.0420.5314.14301079邵阳液压15.5220.46-5.42300665飞鹿股份5.7120.181.96301538骏鼎达72.5120.02-11.84（文章来源：证券时报网）