提示1.本报告不构成对有关股票二级市场操作的任何建议,最终数据以上市公司法定披露信息为准。2.本报告所涉及的中小上市公司指2009年12月31日前上市的中小企业板上市公司。由于截至2009年12月31日,中小企业板的上市公司已经达到327家,完全满足本报告的研究需要,同时考虑到样本的同质性需求,从2008年开始,样 Hint 1. This report does not constitute any advice on the operation of the stock secondary market. The final data is subject to the statutory disclosure of the listed company. 2. The small and medium-sized listed companies involved in this report refer to the listed SME listed companies before December 31, 2009. As of December 31, 2009, SME board of listed companies has reached 327, fully meet the research needs of this report, taking into account the sample of the same quality needs, starting from 2008, like