证券时报·数据宝统计，截至12月19日，市场融资融券余额为25038.28亿元，较前一交易日的24993.66亿元增加44.62亿元。当日京沪深市场融资买入额为1769.31亿元，前一交易日为1712.25亿元；当日的融券卖出量为0.56亿股，前一交易日为0.73亿股。从个券来看，融资方面，共有3748只个券出现融资买入，3756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(%)603777来伊份13988.5967.432.810.34920422润普食品1105.3457.141.10-0.07920278鹿得医疗1251.6950.061.58-10.97920974凯大催化565.0246.870.530.60301278快可电子9620.2737.235.017.54920092汉鑫科技2021.9436.611.4610.02002536飞龙股份126983.1530.938.13-3.27920726朱老六2018.0629.871.522.29002044美年健康124907.6528.985.310.83000547航天发展206246.8028.765.823.96001325C元创3455.2226.883.07-14.49920299灿能电力1160.1626.781.163.62601933永辉超市230436.2326.194.414.92002300太阳电缆29248.7225.513.801.43002727一心堂32547.1325.445.860.43301408华人健康23205.4525.116.745.72301002崧盛股份10336.8424.884.304.78301133金钟股份17861.9824.485.10-6.45301231荣信文化10591.9124.346.376.12688150莱特光电26950.9723.732.6412.54920765美之高1008.1023.300.76-3.72920089禾昌聚合4532.0723.152.49-0.51920396常辅股份2459.3522.691.377.46002329皇氏集团15712.3222.485.271.10002491通鼎互联33486.9922.343.989.98000592平潭发展118204.3822.244.54-7.48300900广联航空41543.5722.186.948.61000688国城矿业29417.7921.980.975.14920943优机股份2110.8221.671.487.14920504博迅生物171.4220.570.411.78　　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(%)920091大鹏工业605.02-29.790.59-8.10920576天力复合4420.33-25.840.484.54920663明阳科技821.73-22.470.732.78301167建研设计4104.06-21.043.502.62300935盈建科7996.52-19.684.141.52688237超卓航科9595.06-17.962.200.16601231环旭电子46706.07-17.520.80-2.70603698航天工程33101.76-17.372.2510.01301355南王科技10988.84-17.047.737.74920370新安洁291.33-16.770.262.42920857泓禧科技557.17-15.730.21-6.31920090同辉信息358.05-15.000.402.30920706铁拓机械2122.27-14.721.736.21920023田野股份943.01-14.290.773.41002541鸿路钢构5611.77-13.570.673.33301021英诺激光16520.00-13.192.613.51920438戈碧迦10542.30-12.451.84-1.46301526国际复材29564.20-12.093.28-2.43920300辰光医疗1217.76-11.891.201.40600838上海九百18323.56-11.414.1210.02601700风范股份16400.74-11.382.624.19301329信音电子9624.11-11.116.618.25002653海思科4170.97-11.090.171.05920592华信永道3393.32-10.871.660.30600350山东高速2930.29-10.660.06-0.32301038深水规院10095.29-10.651.950.91920339恒太照明501.26-10.170.320.19920821则成电子2036.61-10.140.980.39688382益方生物-U18893.81-10.121.538.06300906日月明12790.80-9.884.796.14（文章来源：证券时报网）