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，8月21日共有3507只个股获融资资金买入，其中买入金额居前的个股有大众交通，买入额为4.48亿元；农业银行买入额为3.62亿元；寒武纪买入额为2.95亿元。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）
　　8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(%)688115思林杰341.211034.1732.991.83603355莱克电气898.552955.6930.400.41688557兰剑智能102.35344.0729.751.12300629新劲刚1197.134272.6628.020.42002958青农商行3099.4411346.9227.32-1.52600569安阳钢铁167.80637.9026.310.00688379华光新材49.10202.1624.290.08000426兴业银锡6337.8426172.7224.220.84603035常熟汽饰489.912045.9823.94-1.01603018华设集团2329.329853.3223.64-0.94600010包钢股份2544.4310904.8923.33-0.69688318财富趋势4246.9018477.7222.980.10601818光大银行9158.2340495.8522.62-0.62601399国机重装874.333891.0122.47-1.16301331恩威医药172.87769.4222.47-0.76000869张裕A426.191901.9622.41-1.02300182捷成股份4684.2621083.4222.22-1.84600787中储股份744.733391.1521.96-0.84002413雷科防务822.033760.3921.86-0.85002053云南能投816.193767.2821.67-0.93601011宝泰隆826.293827.3121.59-1.22000885城发环境560.422619.4521.39-1.88688093世华科技148.43702.2221.14-0.65688410山外山271.851291.5021.05-0.18002797第一创业1925.639149.2721.050.00301263泰恩康435.122082.4920.89-1.47002478常宝股份427.592055.1320.81-0.65688338赛科希德108.14521.4920.74-0.65688628优利德179.20875.3920.47-0.21600780通宝能源378.461858.1320.37-0.57（文章来源：证券时报网）