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3731只个股获融资资金买入，其中买入金额居前的个股有中际旭创，买入额为40.48亿元；新易盛买入额为38.51亿元；胜宏科技买入额为33.74亿元。从融资买入额占个股当日成交额比例来看，3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(%)000061农产品10892.7130615.0535.5810.00600968海油发展11528.5433968.9833.941.78603207小方制药1305.243883.9133.611.02603039泛微网络2864.689641.4829.710.79688059华锐精密4551.7815420.3629.52-1.60002053云南能投10767.4937246.5728.917.71601975招商南油15975.2756980.3028.040.62601155新城控股8001.6528598.4727.982.24688786悦安新材1409.245175.7327.231.15600998九州通5148.0119326.5426.641.02688255凯尔达1643.926203.4626.500.65301373凌玮科技703.052778.9525.301.01000009中国宝安11699.6546521.6625.150.74600236桂冠电力3971.7116233.1324.473.37688198佰仁医疗1220.224993.8624.43-1.65600073光明肉业2239.459177.5624.400.86688248南网科技7717.7031859.5324.221.83688187时代电气9560.3739523.8824.191.91300018中元股份9010.2437275.3724.172.92688247宣泰医药736.023107.7423.682.86688420美腾科技414.201749.7723.672.33688314康拓医疗424.911795.1723.671.25300497富祥药业5215.2122291.7623.400.76601228广州港2532.5110962.8823.100.88301290东星医疗699.323043.2722.982.48600038中直股份6593.3628711.8622.96-0.06688418震有科技3496.9315319.1622.83-0.10600864哈投股份13784.5860386.9622.830.00688701卓锦股份796.563491.1322.822.88603567珍宝岛1434.876307.6722.750.09（文章来源：证券时报网）