2012年5月18日，两市大单净卖出前50
| 排名 | 代码 | 股票名称 | 大单买入(股) | 大单卖出(股) | 成交量(股) | 价格 | 涨幅(%) |
| 1 | 603002 | 宏昌电子 | 11,236,816 | 15,671,732 | 68,880,200 | 8.56 | 137.78 |
| 2 | 600120 | 浙江东方 | 7,018,258 | 13,970,775 | 43,975,000 | 10.13 | -9.23 |
| 3 | 600070 | 浙江富润 | 2,939,545 | 5,704,194 | 23,666,000 | 12.57 | -6.89 |
| 4 | 600063 | 皖维高新 | 1,655,139 | 4,477,053 | 20,869,000 | 4.8 | -1.64 |
| 5 | 600057 | *ST夏新 | 240,800 | 1,728,365 | 8,986,600 | 5.86 | -4.25 |
| 6 | 600017 | 日照港 | 4,218,038 | 24,408,644 | 52,399,900 | 3.34 | 9.87 |
| 7 | 300317 | 珈伟股份 | 143,300 | 839,000 | 7,267,500 | 11.78 | -5.99 |
| 8 | 300316 | 晶盛机电 | 408,900 | 1,048,900 | 5,904,100 | 34.31 | -4.05 |
| 9 | 300315 | 掌趣科技 | 707,000 | 1,817,400 | 10,254,000 | 25.5 | -5.42 |
| 10 | 300298 | 三诺生物 | 113,200 | 388,800 | 3,020,500 | 41.3 | 2.48 |
| 11 | 300259 | 新天科技 | 50,000 | 794,400 | 4,316,800 | 11.49 | -5.35 |
| 12 | 600157 | 永泰能源 | 140,944 | 2,391,174 | 10,995,800 | 9.65 | -2.13 |
| 13 | 600241 | 时代万恒 | 0 | 2,343,461 | 4,154,300 | 7.4 | 9.96 |
| 14 | 600486 | 扬农化工 | 0 | 704,913 | 1,881,600 | 17.61 | -2.38 |
| 15 | 601717 | 郑煤机 | 2,690,651 | 5,014,708 | 18,847,900 | 13.7 | -3.39 |
| 16 | 601616 | 广电电气 | 251,800 | 1,134,062 | 7,107,200 | 5.11 | -3.4 |
| 17 | 601599 | 鹿港科技 | 891,734 | 2,809,314 | 8,591,800 | 7.7 | -0.13 |
| 18 | 601388 | 怡球资源 | 748,990 | 1,940,128 | 11,200,800 | 14.75 | -3.59 |
| 19 | 601369 | 陕鼓动力 | 250,500 | 3,474,865 | 10,642,000 | 10.34 | -3.18 |
| 20 | 601311 | 骆驼股份 | 262,076 | 1,014,474 | 6,476,600 | 22.06 | -3.37 |
| 21 | 601008 | 连云港 | 9,160,324 | 25,907,396 | 49,750,700 | 4.88 | 9.91 |
| 22 | 600790 | 轻纺城 | 1,740,769 | 8,667,280 | 31,176,300 | 7.87 | -5.75 |
| 23 | 600713 | 南京医药 | 3,064,455 | 8,114,000 | 46,183,600 | 5.15 | -4.81 |
| 24 | 600506 | ST香梨 | 0 | 870,674 | 2,838,200 | 9.36 | 2.86 |
| 25 | 300252 | 金信诺 | 103,400 | 476,800 | 4,710,700 | 13.8 | -5.87 |
| 26 | 300239 | 东宝生物 | 399,800 | 1,065,200 | 7,419,600 | 18.28 | -3.13 |
| 27 | 002272 | 川润股份 | 180,200 | 1,256,500 | 14,509,400 | 8.69 | -5.13 |
| 28 | 002259 | 升达林业 | 576,800 | 4,158,700 | 33,735,600 | 3.49 | -6.43 |
| 29 | 002185 | 华天科技 | 474,200 | 2,794,800 | 18,924,000 | 9.05 | -1.63 |
| 30 | 002161 | 远望谷 | 282,000 | 1,523,000 | 7,179,500 | 8.47 | -3.42 |
| 31 | 002099 | 海翔药业 | 65,500 | 594,000 | 2,171,200 | 21.2 | -1.26 |
| 32 | 000979 | 中弘地产 | 578,900 | 2,608,123 | 10,673,800 | 7.52 | -6.93 |
| 33 | 000959 | 首钢股份 | 0 | 7,969,004 | 18,629,400 | 2.94 | 10.11 |
| 34 | 000666 | 经纬纺机 | 698,911 | 3,316,999 | 14,959,200 | 13.2 | -4.83 |
| 35 | 000620 | 新华联 | 0 | 1,939,856 | 12,003,100 | 6.3 | -3.67 |
| 36 | 000536 | 华映科技 | 0 | 271,280 | 560,000 | 17.73 | -1.28 |
| 37 | 002445 | 中南重工 | 0 | 1,398,000 | 8,116,900 | 12.43 | -7.93 |
| 38 | 002450 | 康得新 | 1,329,300 | 2,823,600 | 9,642,000 | 16.2 | -2.29 |
| 39 | 002530 | 丰东股份 | 0 | 548,300 | 4,019,400 | 7.03 | -3.57 |
| 40 | 300201 | 海伦哲 | 0 | 331,800 | 1,789,600 | 7.04 | -2.9 |
| 41 | 300185 | 通裕重工 | 1,071,100 | 2,870,100 | 17,184,400 | 5.76 | -4.48 |
| 42 | 300175 | 朗源股份 | 50,000 | 316,200 | 2,535,400 | 10.65 | 0.47 |
| 43 | 300162 | 雷曼光电 | 34,800 | 352,600 | 3,084,700 | 14.8 | -7.04 |
| 44 | 300146 | 汤臣倍健 | 271,700 | 580,500 | 2,346,400 | 57.86 | -2.67 |
| 45 | 300122 | 智飞生物 | 0 | 145,500 | 503,500 | 24.31 | -1.9 |
| 46 | 300026 | 红日药业 | 0 | 267,700 | 1,279,700 | 19.96 | -3.29 |
| 47 | 002668 | 奥马电器 | 0 | 567,400 | 4,409,400 | 13.58 | -3.48 |
| 48 | 002655 | 共达电声 | 40,000 | 358,000 | 1,664,100 | 15.66 | -1.2 |
| 49 | 002538 | 司尔特 | 0 | 368,800 | 3,551,200 | 13.07 | -3.33 |
| 50 | 000520 | 长航凤凰 | 279,010 | 5,260,669 | 21,192,800 | 3.07 | 10.04 |