证券时报·数据宝统计，截至7月30日，市场融资融券余额为19847.48亿元，较前一交易日的19826.41亿元增加21.07亿元。当日京沪深市场融资买入额为1944.79亿元，前一交易日为1980.61亿元；当日的融券卖出量为0.78亿股，前一交易日为1.13亿股。从个券来看，融资方面，共有3710只个券出现融资买入，3711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(%)688157松井股份13281.8490.852.395.19872392佳合科技396.6983.850.30-2.15301235华康洁净8299.8958.603.5419.99600255鑫科材料32843.6641.975.022.55688370丛麟科技6790.9440.166.880.04301096百诚医药22517.7136.284.937.65836504博迅生物408.2036.200.840.49603193润本股份26954.9233.517.82-3.22920106林泰新材2029.6833.010.70-0.09837023芭薇股份1830.5531.921.442.98301372科净源3461.9231.222.830.30603262技源集团6930.8429.965.71-2.13688610埃科光电4802.9029.732.426.73839729永顺生物600.0329.270.781.83600977中国电影62443.3628.982.272.79430478峆一药业1353.8027.251.149.23836433大唐药业915.6725.000.680.13688176亚虹医药23490.2823.254.426.63601606长城军工47170.8722.702.072.94301331恩威医药8973.9122.307.162.85002734利民股份28115.1522.203.514.81838810春光智能404.7121.610.38-2.21688020方邦股份10943.6021.502.43-1.71002847盐津铺子9455.7921.300.551.09920037广信科技2801.7720.131.31-3.21300907康平科技7550.4120.022.383.45600010包钢股份255716.0919.692.7910.19603444吉比特28131.7719.601.134.07301585蓝宇股份5548.0519.276.111.10836717瑞星股份160.6519.250.280.38　　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(%)832802保丽洁267.41-41.880.66-1.19002265建设工业52834.34-37.223.38-9.95301075多瑞医药7159.63-30.592.328.43838262太湖雪512.31-29.770.560.90300965恒宇信通3466.56-27.972.4020.01871970大禹生物123.74-27.730.167.65001359平安电工11679.72-26.375.08-3.46871634新威凌917.13-26.310.83-2.67870204沪江材料1821.31-24.441.501.68833030立方控股913.72-22.980.54-1.40688630芯碁微装43555.70-22.402.67-2.35835184国源科技1553.43-21.030.84-5.55001277速达股份4812.78-20.105.452.95839946华阳变速311.29-19.420.28-0.59002512达华智能15768.36-18.663.53-2.92002311海大集团19700.17-18.600.213.76600326西藏天路114435.62-18.334.813.95837092汉鑫科技860.13-18.010.65-2.55600968海油发展24747.57-17.240.590.24603381永臻股份7618.92-16.592.54-1.77301033迈普医学5702.98-16.441.314.09301081严牌股份2761.70-16.321.23-1.23836260中寰股份619.35-16.070.430.07831305海希通讯4696.02-15.672.02-2.22833427华维设计607.75-15.660.701.12301217铜冠铜箔21538.50-15.360.98-0.78688269凯立新材10497.03-15.172.214.87688617惠泰医疗5385.20-15.160.13-0.64301392汇成真空20473.65-14.873.023.93832885星辰科技2207.85-14.571.057.24　　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。
（文章来源：证券时报网）