证券时报·数据宝统计，2月28日沪指收盘报3279.61点，涨21.57点，涨幅为0.66%，近五日涨跌幅为-0.81%。近五日A股成交量2948.31亿股，成交金额35811.12亿元。近五日龙虎榜中，机构或营业部资金净买入的个股有56只，净买入净额为23.94亿元。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-1039.72亿元，已连续6天主力资金净流出。
　　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，67只个股出现了机构的身影，其中33只股票呈现机构净买入，34只股票呈现机构净卖出。近五日机构净买入前三名分别是拓维信息、钧达股份、威孚高科，机构资金流入净额分别是1.90亿元、1.56亿元、0.87亿元。此外，机构净卖出居前个股分别有中国电信、中国卫星、石英股份等， 机构资金流出净额分别是11.13亿元、1.03亿元、0.63亿元。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)002261拓维信息5.4227500.238507.9718992.261.21-36699.86002865钧达股份18.6615550.240.0015550.242.5257820.76000581威孚高科-0.719652.83913.388739.451.06-28880.14603093南华期货14.737739.500.007739.507.955413.71002229鸿博股份6.578196.97555.717641.260.57-41042.69601360三六零-9.185999.970.005999.970.27-165433.21000989九芝堂8.136281.60403.575878.046.8711220.63002112三变科技35.7624909.0719347.965561.110.88-7550.83603379三美股份13.187985.592542.755442.843.25-5355.29002833弘亚数控7.826328.532073.784254.752.911322.76603730岱美股份5.756228.292160.724067.5711.55-1496.71301388欣灵电气6.534841.052109.042732.024.06-378.24300585奥联电子-31.1627316.4724833.832482.640.50-38582.99601566九牧王31.762783.80572.732211.083.602886.55603097江苏华辰12.592846.70861.801984.902.003756.05002528英飞拓3.431905.510.001905.510.22-11985.49000716黑芝麻9.371887.990.001887.990.2613630.43600238海南椰岛-3.311834.280.001834.280.52-11246.92002728特一药业9.346279.274551.771727.500.3916618.94002805丰元股份11.081534.2167.991466.231.038340.11　　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多利科技、云赛智联、中国卫星。具体来看，多利科技是资金最青睐个股，营业部净买入金额达2.48亿元，高居榜首。此外，云赛智联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)001311多利科技58.4032840.908056.5024784.3918.0997811.89600602云赛智联11.3721736.886340.9415395.942.6523541.63600118中国卫星16.0920527.465561.5014965.961.1826284.72000581威孚高科-0.7155820.8841940.5013880.381.68-28880.14002808恒久科技15.9321179.2611143.8410035.423.2432549.45002261拓维信息5.4237206.1827497.769708.420.62-36699.86603307扬州金泉25.6541124.0832149.578974.514.2636761.27002197证通电子11.1227046.6119702.077344.541.139586.54002368太极股份12.7617354.1310913.866440.271.1419844.77003016欣贺股份20.819552.493197.566354.9316.237664.21002350北京科锐15.0812517.536440.586076.952.083102.73603528多伦科技28.3411637.646199.635438.012.02-2363.32000716黑芝麻9.3713068.558342.694725.860.6613630.43002805丰元股份11.088445.253854.484590.773.238340.11603908牧高笛9.585865.521565.654299.873.11-2674.26000019深粮控股5.747098.063234.473863.593.077848.66002665首航高科5.4513522.369853.143669.230.7811318.34002528英飞拓3.4315504.3211863.923640.400.42-11985.49603189网达软件2.765299.211792.753506.461.711948.94002728特一药业9.347984.934557.103427.830.7716618.94　　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56只个股中，主力资金同期净流入的个股有37只，净流入金额最大的个股为多利科技、钧达股份、扬州金泉，主力资金分别为9.78亿元、5.78亿元、3.68亿元。主力资金净流入力度较大的个股有多利科技、*ST瑞德、欣贺股份，力度分别高达71.40%、69.49%、19.58%。(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(%)001311多利科技58.4021946.1316.0297811.8971.40002865钧达股份18.666863.521.1157820.769.36603307扬州金泉25.658974.514.2636761.2717.47002808恒久科技15.939298.743.0032549.4510.49600118中国卫星16.094691.780.3726284.722.07600602云赛智联11.3713561.782.3423541.634.06002368太极股份12.766440.271.1419844.773.52002728特一药业9.345155.331.1516618.943.72000716黑芝麻9.376613.850.9213630.431.91002665首航高科5.451984.370.4211318.342.41000989九芝堂8.135703.476.6711220.6313.11002197证通电子11.128184.011.269586.541.48001225和泰机电23.843071.902.069314.586.26002805丰元股份11.086057.004.268340.115.86000019深粮控股5.74393.180.317848.666.23003016欣贺股份20.814697.9812.007664.2119.58300912凯龙高科25.71559.980.456690.425.40603131上海沪工21.092190.461.185834.473.14603093南华期货14.734269.584.385413.715.56001319铭科精技1.371959.432.074045.604.28（文章来源：证券时报网）