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，7月21日共有3706只个股获融资资金买入，其中买入金额居前的个股有北方稀土，买入额为20.12亿元；东方财富买入额为18.75亿元；中际旭创买入额为16.99亿元。从融资买入额占个股当日成交额比例来看，7只个股买入额占成交额比例超30%。（数据宝）
　　7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(%)603916苏博特1089.471960.4455.5710.05000828东莞控股3018.357890.0638.260.99600875东方电气9958.3327020.6236.859.98002203海亮股份3601.2810814.1833.301.40688448磁谷科技1513.334586.1333.001.65603393新天然气6547.3720027.4632.691.99300294博雅生物4910.7615832.2231.020.78601577长沙银行8190.5027429.2729.860.20688486龙迅股份2936.2110122.5329.011.80000598兴蓉环境4289.8714823.7528.941.34688171纬德信息3868.5713459.3028.745.59688228开普云2752.849589.4728.71-2.33688603天承科技2087.497384.7728.272.15603758秦安股份4807.0617180.8827.981.36603868飞科电器1708.326219.3127.471.27603301振德医疗1353.364987.4427.140.29688377迪威尔1665.186150.1727.083.75688699明微电子758.542825.9326.840.42688369致远互联6755.8925177.7426.83-0.30000685中山公用2663.159947.5426.771.09600963岳阳林纸5462.7020476.7826.682.84600229城市传媒1290.824889.4826.401.91688777中控技术13744.7952140.6626.360.23688358祥生医疗1846.147013.3826.322.02688566吉贝尔7807.0329995.4526.032.94600528中铁工业4193.8816389.8325.599.97000887中鼎股份28027.23110249.0525.424.00600996贵广网络2639.8110404.7125.370.73600483福能股份4806.0719066.1525.210.95300854中兰环保2222.958876.8425.045.03（文章来源：证券时报网）