近期以来，中国上市公司股价发疯般地猛涨，并且垃圾股涨的更快。以凯恩股份(002012)为例，该股2006年最后一个交易日的收盘价为3.88元，到2007年5月28日为止收盘价猛涨到11.13元，涨幅高达186.86％。如果是该企业的税后利润同比增长数倍，以致股价成倍上涨，那么还说得过去。然而，问题的关键在于，凯恩股份非但税后利润未见数倍增长，反而出现了严重亏损。据其公布的重要财务指标显示：凯恩股份2007年一季度净利润为－1566万元，而去年同期为232万元。如此之差的垃圾股怎么会出现国家必年初涨幅高达186.86％？希望国家证监会进行严查到底。
| 日期 | 开盘 | 最高 | 最低 | 收盘 | 交易量 | 交易金额 |
| 20061229 | 3.83 | 3.95 | 3.83 | 3.88 | 28,080 | 1,090.40 |
| 20070104 | 3.82 | 3.92 | 3.82 | 3.86 | 30,386 | 1,174.80 |
| 20070105 | 3.9 | 3.98 | 3.84 | 3.97 | 28,429 | 1,115.10 |
| 20070108 | 3.97 | 4.07 | 3.94 | 4.06 | 47,327 | 1,899.30 |
| 20070109 | 4 | 4.11 | 3.96 | 4.11 | 85,289 | 3,442.00 |
| 20070110 | 4.1 | 4.16 | 4.03 | 4.15 | 65,068 | 2,665.80 |
| 20070111 | 4.16 | 4.27 | 4.11 | 4.16 | 86,585 | 3,634.50 |
| 20070112 | 4.13 | 4.18 | 3.96 | 3.96 | 54,992 | 2,236.50 |
| 20070115 | 3.96 | 4.15 | 3.96 | 4.12 | 38,551 | 1,568.30 |
| 20070116 | 4.15 | 4.26 | 4.07 | 4.22 | 67,386 | 2,810.70 |
| 20070117 | 4.25 | 4.33 | 4.11 | 4.18 | 73,050 | 3,093.70 |
| 20070118 | 4.18 | 4.44 | 4.14 | 4.44 | 82,732 | 3,549.20 |
| 20070119 | 4.45 | 4.5 | 4.38 | 4.46 | 98,387 | 4,362.70 |
| 20070122 | 4.48 | 4.76 | 4.48 | 4.71 | 110,218 | 5,080.10 |
| 20070123 | 4.73 | 5.08 | 4.6 | 4.96 | 139,106 | 6,775.20 |
| 20070124 | 4.88 | 5.03 | 4.85 | 4.91 | 83,956 | 4,139.00 |
| 20070125 | 4.88 | 4.88 | 4.6 | 4.63 | 75,922 | 3,574.40 |
| 20070126 | 4.59 | 4.88 | 4.53 | 4.84 | 78,395 | 3,697.50 |
| 20070129 | 4.85 | 5.03 | 4.82 | 4.96 | 69,795 | 3,438.30 |
| 20070130 | 4.96 | 4.97 | 4.75 | 4.81 | 52,257 | 2,537.40 |
| 20070131 | 4.8 | 4.8 | 4.5 | 4.53 | 47,917 | 2,231.40 |
| 20070201 | 4.53 | 4.66 | 4.48 | 4.61 | 43,158 | 1,975.10 |
| 20070202 | 4.61 | 4.76 | 4.51 | 4.62 | 46,766 | 2,163.10 |
| 20070205 | 4.61 | 4.84 | 4.55 | 4.73 | 36,534 | 1,724.70 |
| 20070206 | 4.73 | 4.8 | 4.61 | 4.79 | 35,777 | 1,694.10 |
| 20070207 | 4.76 | 4.94 | 4.75 | 4.79 | 45,359 | 2,196.60 |
| 20070208 | 4.78 | 4.93 | 4.77 | 4.88 | 51,471 | 2,510.60 |
| 20070209 | 4.9 | 4.96 | 4.75 | 4.83 | 38,896 | 1,876.80 |
| 20070212 | 4.81 | 4.95 | 4.8 | 4.91 | 55,719 | 2,728.50 |
| 20070213 | 4.94 | 5.05 | 4.86 | 5.05 | 56,481 | 2,795.40 |
| 20070214 | 5.09 | 5.27 | 5.02 | 5.12 | 66,572 | 3,432.50 |
| 20070215 | 5.15 | 5.19 | 5.06 | 5.17 | 60,903 | 3,129.10 |
| 20070216 | 5.17 | 5.43 | 5.09 | 5.28 | 90,059 | 4,755.10 |
| 20070226 | 5.3 | 5.64 | 5.24 | 5.62 | 77,062 | 4,234.90 |
| 20070227 | 5.58 | 5.85 | 5.06 | 5.06 | 119,068 | 6,430.90 |
| 20070228 | 5.06 | 5.44 | 5.02 | 5.4 | 84,067 | 4,402.20 |
| 20070301 | 5.38 | 5.41 | 5.08 | 5.22 | 74,980 | 3,944.70 |
| 20070302 | 5.28 | 5.74 | 5.25 | 5.74 | 144,959 | 8,085.60 |
| 20070305 | 5.77 | 5.94 | 5.46 | 5.81 | 128,211 | 7,327.10 |
| 20070306 | 5.79 | 5.8 | 5.6 | 5.69 | 51,636 | 2,953.30 |
| 20070307 | 5.7 | 5.88 | 5.66 | 5.78 | 66,597 | 3,833.60 |
| 20070308 | 5.76 | 5.96 | 5.61 | 5.88 | 73,425 | 4,287.10 |
| 20070309 | 5.91 | 6.05 | 5.83 | 5.87 | 91,018 | 5,419.60 |
| 20070312 | 5.85 | 6.06 | 5.64 | 5.99 | 90,703 | 5,279.10 |
| 20070313 | 5.99 | 6.14 | 5.89 | 5.97 | 89,918 | 5,402.60 |
| 20070314 | 5.95 | 5.98 | 5.68 | 5.87 | 77,254 | 4,501.10 |
| 20070315 | 5.88 | 6.13 | 5.88 | 6.1 | 108,792 | 6,574.60 |
| 20070316 | 6.11 | 6.15 | 5.75 | 5.81 | 84,717 | 5,042.80 |
| 20070319 | 5.66 | 5.92 | 5.6 | 5.84 | 69,329 | 4,025.30 |
| 20070320 | 5.84 | 6.08 | 5.83 | 6.05 | 72,582 | 4,346.70 |
| 20070321 | 6.05 | 6.57 | 5.93 | 6.39 | 112,341 | 6,981.90 |
| 20070322 | 6.39 | 6.5 | 6.26 | 6.28 | 91,974 | 5,868.50 |
| 20070323 | 6.25 | 6.65 | 6.25 | 6.57 | 93,411 | 6,035.70 |
| 20070326 | 6.61 | 6.94 | 6.61 | 6.82 | 80,445 | 5,480.70 |
| 20070327 | 6.82 | 7.03 | 6.7 | 6.93 | 80,148 | 5,521.50 |
| 20070328 | 6.91 | 6.95 | 6.4 | 6.76 | 106,430 | 7,141.00 |
| 20070329 | 6.79 | 6.89 | 6.34 | 6.45 | 90,299 | 5,951.20 |
| 20070330 | 6.38 | 6.64 | 6.34 | 6.58 | 55,531 | 3,595.30 |
| 20070402 | 6.55 | 6.85 | 6.55 | 6.83 | 65,619 | 4,436.30 |
| 20070403 | 6.86 | 6.92 | 6.72 | 6.81 | 51,895 | 3,517.80 |
| 20070404 | 6.7 | 6.7 | 6.48 | 6.6 | 151,007 | 9,960.40 |
| 20070405 | 6.59 | 6.74 | 6.5 | 6.66 | 78,443 | 5,211.10 |
| 20070409 | 6.66 | 7.1 | 6.66 | 7.09 | 143,313 | 9,878.20 |
| 20070410 | 7.11 | 7.18 | 6.78 | 7.01 | 91,336 | 6,377.30 |
| 20070411 | 6.99 | 6.99 | 6.79 | 6.92 | 61,821 | 4,260.90 |
| 20070412 | 6.92 | 7.19 | 6.88 | 7.08 | 81,357 | 5,717.40 |
| 20070413 | 7.09 | 7.12 | 6.79 | 6.86 | 85,954 | 5,970.30 |
| 20070416 | 6.85 | 7.1 | 6.79 | 7.05 | 90,634 | 6,311.50 |
| 20070417 | 7.08 | 7.43 | 6.99 | 7.38 | 126,243 | 9,037.30 |
| 20070418 | 7.51 | 8.11 | 7.5 | 7.8 | 149,690 | 11,615.90 |
| 20070419 | 7.78 | 8.5 | 7.24 | 8.01 | 194,063 | 15,282.10 |
| 20070420 | 8.15 | 8.45 | 8.1 | 8.24 | 159,823 | 13,216.50 |
| 20070423 | 8.3 | 8.78 | 8.23 | 8.57 | 111,893 | 9,496.00 |
| 20070424 | 8.56 | 8.7 | 8.37 | 8.42 | 106,616 | 9,055.30 |
| 20070425 | 8.4 | 8.4 | 8 | 8.25 | 86,642 | 7,082.00 |
| 20070426 | 8.2 | 8.48 | 8.15 | 8.3 | 59,228 | 4,905.90 |
| 20070427 | 8.3 | 8.34 | 8.06 | 8.09 | 47,688 | 3,897.40 |
| 20070430 | 7.99 | 8.17 | 7.82 | 7.92 | 66,547 | 5,296.00 |
| 20070501 | 7.99 | 8.17 | 7.82 | 7.92 | 66,547 | 5,296.00 |
| 20070508 | 8.08 | 8.71 | 8.08 | 8.71 | 129,308 | 11,093.10 |
| 20070509 | 8.78 | 9.38 | 8.55 | 9.13 | 149,622 | 13,543.10 |
| 20070510 | 9 | 9.24 | 8.81 | 9.02 | 94,969 | 8,610.70 |
| 20070511 | 8.93 | 8.99 | 8.69 | 8.95 | 60,278 | 5,319.60 |
| 20070514 | 8.79 | 9.22 | 8.71 | 8.94 | 69,963 | 6,316.40 |
| 20070515 | 8.94 | 9.02 | 8.4 | 8.4 | 68,797 | 6,003.40 |
| 20070516 | 8.41 | 8.7 | 8.19 | 8.68 | 52,317 | 4,415.30 |
| 20070517 | 8.65 | 8.91 | 8.57 | 8.91 | 62,456 | 5,473.30 |
| 20070518 | 8.92 | 8.97 | 8.73 | 8.73 | 54,308 | 4,791.60 |
| 20070521 | 8.4 | 9.11 | 8.3 | 9.07 | 84,440 | 7,494.70 |
| 20070522 | 9.1 | 9.28 | 8.98 | 9.18 | 102,206 | 9,330.60 |
| 20070523 | 9.15 | 9.67 | 9.14 | 9.54 | 87,846 | 8,313.50 |
| 20070524 | 9.54 | 10.04 | 8.96 | 9.95 | 166,543 | 15,937.10 |
| 20070525 | 9.79 | 10.95 | 9.6 | 10.95 | 177,391 | 18,736.50 |
| 20070528 | 11.49 | 11.6 | 11.02 | 11.13 | 179,628 | 20,258.50 |