证券时报·数据宝统计，截至8月12日，市场融资融券余额为20345.33亿元，较前一交易日的20261.98亿元增加83.35亿元。当日京沪深市场融资买入额为1939.82亿元，前一交易日为1951.57亿元；当日的融券卖出量为0.88亿股，前一交易日为0.69亿股。从个券来看，融资方面，共有3710只个券出现融资买入，3714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：（数据宝）
　　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(%)002270华明装备10347.5255.770.5710.02688584上海合晶13471.0148.481.7320.00600246万通发展114823.2648.216.5810.01688551科威尔14375.9745.733.83-2.83301502华阳智能11151.6845.598.258.20872351华光源海1231.8342.491.183.42837174宏裕包材348.9942.390.25-1.53835184国源科技2528.7239.761.163.92871753天纺标1684.7933.631.756.03000880潍柴重机20319.8432.702.72-0.80603310巍华新材12885.4132.069.38-4.60301173毓恬冠佳6413.6331.337.1412.11301120新特电气13422.9131.064.164.54834765美之高661.5130.570.662.41832145恒合股份41.1130.270.041.68002383合众思壮34003.9129.924.291.81300602飞荣达77432.3528.936.585.38688719爱科赛博6305.4827.971.69-3.63301398星源卓镁11962.7127.048.149.67301163宏德股份4873.6826.363.11-2.02873152天宏锂电1268.4625.520.880.53831834三维装备1102.9825.431.20-2.72300690双一科技24021.5425.326.137.60301309万得凯6196.3225.077.144.64688273麦澜德16567.0124.818.5218.06688669聚石化学8327.6823.812.867.14688702盛科通信13445.8923.060.8619.27002088鲁阳节能11167.4223.051.843.81688157松井股份13502.9222.351.986.17600581八一钢铁11948.9322.001.5210.09　　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(%)920088科力股份1464.46-38.531.445.23831370新安洁444.10-27.530.342.49836957汉维科技158.74-25.640.24-0.26300854中兰环保3733.40-24.592.64-0.80600967内蒙一机78457.00-23.531.762.42832802保丽洁272.73-20.580.651.66836414欧普泰273.82-20.000.34-2.77871970大禹生物119.82-19.750.17-0.39833873中设咨询303.36-18.930.32-2.18600184光电股份29650.89-17.452.47-3.40688448磁谷科技11888.91-17.045.686.25301193家联科技2860.32-16.061.11-1.95601606长城军工54971.49-15.881.238.03603228景旺电子71686.50-15.591.33-4.21832278鹿得医疗1096.34-15.371.162.28002043兔宝宝6894.81-14.750.911.38920489佳先股份3611.45-14.741.811.97301357北方长龙16367.42-14.714.45-2.42301123奕东电子17904.57-14.643.250.39603124江南新材17406.06-14.509.881.12834062科润智控2833.72-14.441.812.99301595太力科技4216.97-14.254.531.13838810春光智能363.07-14.090.36-1.21601718际华集团65759.81-13.353.40-7.37873527夜光明416.32-13.140.55-1.43688498源杰科技36342.29-12.962.2410.71688466金科环境3528.95-12.931.27-3.60688777中控技术193992.49-12.655.16-0.93688030山石网科5526.06-12.481.54-2.40301353普莱得3362.93-12.013.88-0.48（文章来源：证券时报网）