证券时报·数据宝统计，3月21日沪指收盘报3255.65点，涨20.74点，涨幅为0.64%，近五日涨跌幅为0.32%。近五日A股成交量3518.30亿股，成交金额42131.83亿元。近五日龙虎榜中，机构或营业部资金净买入的个股有72只，净买入净额为53.47亿元。从资金流向来看，A股主力资金近五日呈现净流出状态，主力资金净流量-715.70亿元。
　　在主力资金净流出的背景下，龙虎榜机构资金近五日呈现净卖出状态。证券时报·数据宝统计，近五个交易日的龙虎榜当中，101只个股出现了机构的身影，其中46只股票呈现机构净买入，55只股票呈现机构净卖出。近五日机构净买入前三名分别是蓝色光标、工业富联、大华股份，机构资金流入净额分别是4.32亿元、2.58亿元、2.10亿元。此外，机构净卖出居前个股分别有德业股份、长春高新、晶澳科技等， 机构资金流出净额分别是4.05亿元、3.72亿元、2.48亿元。详情如下表所示。
　　近五日龙虎榜机构净买入金额最多个股
证券代码证券简称五日涨跌(%)机构买入金额(万元)机构卖出金额(万元)机构净买入金额(万元)占成交额比例(%)主力资金净额(万元)300058蓝色光标30.6069261.2726107.1843154.092.5315857.71601138工业富联24.1535596.259837.6025758.651.8019390.66002236大华股份7.7421015.310.0021015.311.8330317.61300113顺网科技23.9124957.046488.0918468.964.912446.75300291百纳千成54.0621254.558685.0912569.475.073822.60600853龙建股份35.3116829.095841.0110988.092.07-13649.08002315焦点科技23.8526541.8216249.7710292.054.3915211.03300634彩讯股份17.1710234.541789.788444.762.01-5791.72600339中油工程19.108381.950.008381.951.30-8939.14600588用友网络-9.7433519.1725308.828210.350.80-32229.62301110青木股份65.0612399.965612.156787.813.668830.53002254泰和新材-14.398779.122572.666206.454.42-12259.86300592华凯易佰31.257952.911902.226050.684.60-14153.34301318维海德8.249392.354256.725135.623.275200.78002803吉宏股份29.096341.321214.865126.461.8525917.34603997继峰股份11.636731.251924.134807.127.586601.39301330熵基科技1.809259.485114.024145.461.66885.28301380挖金客0.025694.891800.663894.234.60-2734.49300257开山股份16.604494.521175.193319.324.15-2831.23002532天山铝业-10.5312486.889225.143261.741.11-8758.68　　与此同时，近五个交易日登陆沪深两市的龙虎榜个股中，营业部净买入较大的个股有中天科技、北方国际、张江高科。具体来看，中天科技是资金最青睐个股，营业部净买入金额达7.67亿元，高居榜首。此外，北方国际营业部净买入金额也排名居前。
　　近五日龙虎榜营业部净买入金额最多个股
证券代码证券简称五日涨跌(%)营业部买入金额(万元)营业部卖出金额(万元)营业部净买入金额(万元)占成交额比例(%)主力资金净额(万元)600522中天科技13.8681409.174668.4276740.745.4283655.45000065北方国际28.01108742.3966423.3842319.014.34-44846.16600895张江高科40.7069614.8128441.3341173.485.4560682.97000661长春高新-10.5952011.4029018.1422993.262.27-65477.96000034神州数码8.1124054.772820.5421234.223.8616771.76601121宝地矿业42.7324389.907155.5217234.3810.5441362.49600449宁夏建材12.5332028.6417457.0914571.553.05-1424.77002195二三四五10.4429272.9514736.0114536.944.1051952.03002459晶澳科技-7.2839414.3826064.9013349.481.86-64857.35605117德业股份-15.0321440.039412.8112027.222.59-20913.88300251光线传媒24.2322848.2311006.7511841.482.9017591.94000423东阿阿胶-2.9715244.863768.9911475.875.07-8014.85002292奥飞娱乐19.2738179.9927060.9011119.093.9012656.93300113顺网科技23.9118560.517449.4811111.032.952446.75300688创业黑马31.5937206.7026130.2711076.432.915551.94603282亚光股份84.4415801.604725.6211075.9812.3530753.68002080中材科技14.7714650.223607.6311042.594.515055.93002115三维通信3.2917328.896730.1810598.711.75-7991.75600399抚顺特钢-16.9810281.030.0010281.033.72-22501.82002280联络互动34.2318181.9710436.027745.944.6921826.72　　数据显示，一些个股在龙虎榜的机构或营业部中显示出有资金在净买入，并且期间主力资金还在净流入，两方面都说明这些个股受到主力资金青睐。在近五日龙虎榜机构或营业部净买入的72只个股中，主力资金同期净流入的个股有54只，净流入金额最大的个股为中天科技、张江高科、天娱数科，主力资金分别为8.37亿元、6.07亿元、5.28亿元。主力资金净流入力度较大的个股有四川黄金、宿迁联盛、亚光股份，力度分别高达100.00%、98.87%、34.28%。(数据宝)
　　近五日龙虎榜净买入个股主力资金流入排名
证券代码证券简称五日涨跌(%)龙虎榜净买入金额(万元)占成交额比例(%)主力资金净额(万元)净流入力度(%)600522中天科技13.8652505.723.7183655.455.91600895张江高科40.7032574.074.3160682.978.03002354天娱数科13.487282.111.1652840.438.44002195二三四五10.4412381.323.4951952.0314.64601121宝地矿业42.7317061.1210.4341362.4925.30603282亚光股份84.4410998.8212.2630753.6834.28002236大华股份7.7420712.861.8130317.612.65002803吉宏股份29.0912743.364.6125917.349.38002253川大智胜23.991243.690.6925321.5614.08002280联络互动34.237745.944.6921826.7213.23601138工业富联24.1531722.222.2219390.661.36603153上海建科17.612394.010.9318024.886.97000034神州数码8.1110796.091.9616771.763.05301439C泓淋-1.352959.141.1516326.766.36300058蓝色光标30.6031576.421.8515857.710.93002315焦点科技23.858280.613.5315211.036.49003010若羽臣19.642232.661.9212810.4711.03002292奥飞娱乐19.2711119.093.9012656.934.44002291遥望科技10.062268.340.8811730.244.57301345C涛涛-20.141089.542.1011013.8121.26（文章来源：证券时报网）