证券时报·数据宝统计 ，截至8月13日
，市场融资融券余额为26757.18亿元，较前一交易日的26731.73亿元增加25.45亿元。当日京沪深市场融资买入额为2421.10亿元 ，前一交易日为2022.82亿元；当日的融券卖出量为1.25亿股，前一交易日为1.12亿股 。从个券来看
，融资方面，共有3844只个券出现融资买入 ，3851只个券出现融资偿还
。其中
，融资余额环比增幅前30和环比降幅前30的股票如下：

　　A股融资余额环比增加前30股一览

证券代码证券简称融资余额（万元）环比增长（%）占流通市值比例（%）涨跌幅(%)920138杰理科技9358.30155.215.80-12.52920258聚仁新材427.7760.630.97-4.87601991大唐发电110460.8357.191.2910.02688045必易微15323.6957.033.506.15300937药易购15565.8254.817.5719.98301717C超纯103323.3148.9011.601.79300790宇瞳光学23827.2844.732.595.59920367新赣江2216.9944.601.7029.60688296和达科技7187.3636.903.031.75301602超研股份7996.8834.531.8810.99920065千岸科技1034.3333.671.86-4.10603466风语筑34581.5433.354.2410.02301025读客文化11041.0730.774.088.44002491通鼎互联122945.3929.615.520.53301193家联科技9157.2727.972.710.82688167炬光科技175800.3126.505.284.21300997欢乐家13035.9026.461.780.22603468津富士达7246.0925.556.77-4.49300102乾照光电14601.0123.740.840.16688315诺禾致源18421.7722.002.683.06301373凌玮科技39759.3321.205.584.65600595中孚实业65271.2320.922.60-6.70688677海泰新光35658.4720.774.13-8.91603236移远通信179937.4820.497.519.99603011合锻智能39287.2920.343.24-1.80301008宏昌科技23307.9320.234.89-7.77603191望变电气32417.1919.675.8010.00300884狄耐克16012.4519.526.833.11920943优机股份2008.7818.992.42-5.71601886江河集团8695.1618.790.6710.02

　　A股融资余额环比下降前30股一览

证券代码证券简称融资余额（万元）环比降幅（%）占流通市值比例（%）涨跌幅(%)688646逸飞激光2319.54-76.910.55-6.83920176维琪科技609.62-47.161.21-9.21920553凯腾精工366.97-45.080.51-6.33920238长鹰硬科2052.78-31.531.62-7.43920199倍益康1555.86-28.171.420.73688056莱伯泰科6897.82-26.522.42-3.29000533顺钠股份23168.87-26.272.75-2.84603132金徽股份3424.82-25.360.19-4.03920267鑫汇科262.66-24.290.56-4.51920726朱老六843.06-23.500.89-1.10920266生物谷242.39-23.440.265.84920230欧康医药339.27-22.850.642.82301333诺思格10989.86-22.721.79-0.61920685新芝生物474.44-22.160.631.02920273一致魔芋1417.25-21.251.11-1.33920634新威凌757.81-19.621.10-2.80301234五洲医疗10263.86-19.292.823.47001267汇绿生态35113.15-18.731.390.51920765美之高493.49-18.030.677.91920414欧普泰201.99-18.030.44-3.43920058华洋赛车556.46-17.600.710.32600403大有能源8801.33-17.520.56-2.68301677欣兴工具7746.61-17.095.90-1.16301080百普赛斯25197.16-16.972.257.31920924广脉科技1833.07-16.461.83-1.98920165珈凯生物450.27-16.241.16-2.40300878维康药业7994.88-16.161.560.79920547无锡晶海972.56-15.401.361.12920403康农种业1075.67-14.880.90-1.39920193吉和昌1397.77-14.431.74-6.83

（文章来源：证券时报网）