证券时报·数据宝统计，截至5月21日，市场融资融券余额为18111.84亿元，较前一交易日的18128.40亿元减少16.56亿元。当日京沪深市场融资买入额为987.96亿元，前一交易日为1011.03亿元；当日的融券卖出量为0.58亿股，前一交易日为0.79亿股。从个券来看，融资方面，共有3666只个券出现融资买入，3675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(%)831834三维股份380.33168.060.4211.13872392佳合科技780.24119.200.83-5.42300945曼卡龙11340.7769.052.169.52873152天宏锂电972.8465.170.723.09603014C威高6554.5160.314.63-4.53301320豪江智能10920.5351.298.081.58832419路斯股份2890.2642.821.11-12.68002761浙江建投37959.0542.053.6010.06920128胜业电气1692.0840.872.27-12.68837174宏裕包材204.3335.360.14-3.56301112信邦智能7300.1133.974.4419.99833509同惠电子2979.2233.871.311.88301662宏工科技8591.1133.816.5419.99838030德众汽车1115.1532.411.232.31834950迅安科技367.1631.630.50-0.65873570坤博精工1737.1430.461.723.33832145恒合股份137.5230.000.11-1.46835508殷图网联570.0328.790.601.86300963中洲特材22962.6928.153.99-8.86872931无锡鼎邦286.4126.600.546.45301009可靠股份10107.9924.804.758.17872541铁大科技1143.0324.180.676.57830779武汉蓝电2491.5323.102.4010.87838275驱动力671.2322.800.73-8.66836077吉林碳谷5289.6822.261.10-4.36002297博云新材24472.1422.205.33-7.72833580科创新材538.4321.950.634.09430425乐创技术816.2421.600.58-4.45301065本立科技6373.0621.373.222.05870436大地电气730.3220.760.3011.93 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(%)833873中设咨询113.18-58.380.16-5.13833230欧康医药341.67-35.200.412.87836942恒立钻具284.24-33.850.33-3.17688125安达智能4122.10-33.075.27-0.50839719宁新新材749.36-31.230.5930.00873690捷众科技483.88-30.490.567.06833455汇隆活塞431.12-30.180.41-2.61600798宁波海运11725.67-28.582.21-2.87871634新威凌560.31-28.090.583.68872351华光源海2115.43-26.841.91-2.82833266生物谷661.50-23.240.74-0.52870199倍益康861.46-22.800.80-5.64920068天工股份449.74-22.100.34-7.11600509天富能源54869.00-21.795.89-1.60836504博迅生物214.06-20.280.46-1.87836422润普食品714.41-19.630.71-3.82301560众捷汽车4742.56-19.605.182.09833075柏星龙1676.83-19.081.43-6.90688282理工导航867.41-18.820.57-1.39688655迅捷兴12402.69-18.764.40-1.67920106林泰新材1535.61-18.460.841.31600403大有能源4526.41-18.040.4410.13688617惠泰医疗4773.41-17.780.123.36832802保丽洁376.19-17.710.95-9.69002860星帅尔19574.58-17.184.26-3.46002190成飞集成37359.16-16.932.72-10.00688038中科通达5116.86-16.632.76-3.22688004博汇科技7306.08-16.354.451.69688314康拓医疗7007.35-16.222.74-1.65000722湖南发展16969.14-16.152.3610.01
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