证券时报·数据宝统计，截至（8月21日）收盘，沪指报2856.58点，跌10.08点，跌幅为0.35%；深成指报8229.75点，跌23.12点，跌幅为0.28%；创业板指报1558.51点，跌9.46点，跌幅为0.60%。个股方面，今日55只A股换手率超过20%，其中，C国科天、辰奕智能等4只个股换手率达五成以上，半数筹码易主。（数据宝）
　　8月21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（%）301571C国科天35.6578.27220.02301578辰奕智能44.2960.02-7.28001379腾达科技28.5955.50-10.01300184力源信息8.3351.128.89301611C珂玛28.4047.62-12.10001298好上好27.8441.0110.00872374云里物里12.8740.95-1.53300241瑞丰光电5.0836.6314.67300050世纪鼎利4.8036.46-2.04300061旗天科技8.1336.3812.29300622博士眼镜29.1035.45-4.37301568思泰克31.2034.75-5.20300949奥雅股份35.6634.5219.99301366一博科技33.3433.5817.56601921浙版传媒10.5333.3210.03600611大众交通9.8032.956.41300647超频三5.8531.48-1.68920002万达轴承52.0730.931.13300718长盛轴承17.3130.1213.51301312智立方42.9328.467.59301550斯菱股份45.3728.31-4.16301606绿联科技29.8527.313.97301182凯旺科技20.6827.05-3.59301326捷邦科技34.2026.3920.00300027华谊兄弟2.6526.36-9.86831627力王股份9.1925.7015.89301101明月镜片27.5024.965.24301288清研环境15.1824.83-6.24301016雷尔伟22.6624.462.53002861瀛通通讯10.7024.034.90600326西藏天路6.5423.706.00688721龙图光罩27.6722.89-4.36002199东晶电子6.7922.7810.05300299富春股份4.5422.48-11.33001314亿道信息38.4422.411.16301226祥明智能19.8022.224.82600187国中水务3.6522.079.94600520文一科技17.5621.863.23301536星宸科技34.9621.790.63603122合富中国6.1821.763.00603310巍华新材17.5221.69-3.10002829星网宇达21.2021.4210.02301489思泉新材61.0721.155.91300125ST聆达4.1720.9415.83600843上工申贝8.6420.926.54600686金龙汽车15.5520.92-1.52833030立方控股13.3920.901.59300817双飞集团11.1420.539.22300147香雪制药8.0420.52-0.12301517陕西华达49.7320.494.81002717岭南股份1.0620.32-5.36300139晓程科技13.5720.19-0.80300630普利制药11.1320.12-8.40871981晶赛科技14.1920.075.66300584海辰药业20.5920.02-8.61　　注：本文系新闻报道，不构成投资建议，股市有风险，投资需谨慎。
（文章来源：证券时报网）