融资客的行为一直备受市场关注，投资者寄望能从中捕捉到投资机会。证券时报·数据宝统计，10月21日共有3626只个股获融资资金买入，其中买入金额居前的个股有东方财富，买入额为62.65亿元；中芯国际买入额为42.33亿元；润和软件买入额为21.69亿元。从融资买入额占个股当日成交额比例来看，2只个股买入额占成交额比例超30%。（数据宝）

　　10月21日融资买入占成交额居前个股
证券代码证券简称融资买入额（万元）成交金额（万元)融资买入占比（%)涨跌幅(%)603668天马科技5634.4017636.2631.95-0.75688068热景生物1869.966109.7330.612.47688550瑞联新材9049.2030283.3829.887.55688125安达智能2913.6010199.9328.562.51601996丰林集团813.652877.4528.28-1.03000685中山公用6783.3724007.7228.25-1.62603067振华股份4956.4217759.4827.913.22600751海航科技2394.268891.2926.93-1.23688157松井股份1909.997204.5126.510.09601200上海环境2773.5710483.3826.46-0.49000726鲁泰A1417.885389.2226.31-0.81002895川恒股份3997.3715220.5326.260.14002958青农商行5904.5622915.7825.77-1.03600717天津港4114.3116076.2325.59-1.05600267海正药业4058.2215976.6225.40-0.61600790轻纺城1209.594814.0925.13-0.56600452涪陵电力10838.0143341.9325.015.80000910大亚圣象1256.005085.4024.702.65600425青松建化2050.078347.8124.56-1.09600008首创环保7532.3531011.0524.290.00688580伟思医疗728.753001.4524.281.39688398赛特新材1509.316217.6424.270.13688118普元信息2855.8911993.2923.813.38300110华仁药业3052.2012819.0823.810.85603696安记食品669.272812.8923.790.41600354敦煌种业3411.4914363.9723.753.42601568北元集团2500.8610538.6323.73-0.49002476宝莫股份1300.665483.3023.720.26600010包钢股份12289.9653163.6923.12-1.23600495晋西车轴1273.295549.1022.950.82（文章来源：证券时报网）