证券时报·数据宝统计，截至12月18日，市场融资融券余额为16675.09亿元，较前一交易日的16711.40亿元减少36.31亿元。当日京沪深市场融资买入额为475.74亿元，前一交易日为541.94亿元；当日的融券卖出量为9.78亿股，前一交易日为11.08亿股。从个券来看，融资方面，共有3541只个券出现融资买入，3546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(%)833075柏星龙156.41379.790.4210.82836807奔朗新材62.89164.100.105.77833751惠同新材271.72142.270.59-0.83872351华光源海57.13133.990.1316.81870299灿能电力42.20130.220.191.61838227美登科技69.12121.010.20-2.62833580科创新材58.01114.020.134.71833509同惠电子100.04108.660.123.01836717瑞星股份164.69101.210.53-3.27836675秉扬科技227.0192.480.403.27830974凯大催化301.6490.240.346.88833873中设咨询116.6584.430.230.00833781瑞奇智造115.2774.500.205.55301383天键股份9049.8769.325.515.94836395朗鸿科技103.9668.890.343.09600026中远海能64984.1767.051.4710.03839167同享科技287.2063.480.272.10832000安徽凤凰152.4060.490.439.39831726朱老六104.4159.390.176.57834765美之高4.2356.590.014.03835184国源科技120.0555.930.156.48838810春光药装18.1854.810.071.09836957汉维科技37.8354.620.161.80831855浙江大农50.4452.590.204.51833455汇隆活塞111.8051.650.445.03830779武汉蓝电223.4951.310.56-0.24603231C索宝2826.6449.902.45-13.53832171志晟信息296.1048.760.394.77831856浩淼科技43.0947.580.105.01836247华密新材230.0946.490.5912.93

　　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(%)836422润普食品2.49-95.280.015.27832469富恒新材115.14-64.700.2420.64871396常辅股份26.11-58.150.059.77836871派特尔36.30-54.020.102.45430090同辉信息69.99-51.930.072.09836270天铭科技288.74-50.370.879.65833943优机股份105.44-43.530.212.22839729永顺生物125.93-43.100.173.22837046亿能电力41.08-42.620.153.02831906舜宇精工100.68-40.250.255.09837592华信永道159.99-38.140.410.00836414欧普泰104.01-37.250.193.31837174宏裕包材117.14-36.620.474.95871245威博液压6.87-35.580.020.23873132泰鹏智能191.88-32.990.83-0.15872392佳合科技18.43-31.730.092.47833266生物谷43.73-30.320.052.58688506百利天恒5520.48-29.751.21-4.44838171邦德股份231.79-29.010.247.29831526凯华材料364.11-27.290.553.58873001纬达光电219.67-25.210.511.07833533骏创科技391.61-25.200.5318.78832802保丽洁17.61-24.980.092.84830964润农节水406.71-24.880.531.91871642通易航天74.07-23.850.138.50871981晶赛科技95.76-21.510.140.76836260中寰股份34.48-21.470.095.95834058华洋赛车154.23-21.380.628.37830879基康仪器125.39-21.230.223.41688253英诺特7492.14-21.064.21-5.90

　　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。