沪深两市2000年共上市A股133只,其中12只在2000中期和期末公布了高比例的送股方案。以这12只股票为已知样本,根据它们的一些共同特征,建立股票筛选条件,然后将筛选条件应用于2001年截止6月29日上市的42只股票,从中优选出基本条件上佳的10只股票,这10只股票具备了在2001年高比例送股的基本潜质。最后,对筛选出的10只股票,根据其公 In 2000, a total of 133 A-shares were listed in Shanghai and Shenzhen Stock Exchanges, of which 12 announced a large proportion of bonus shares in mid-term and end-2000. The 12 stocks are known samples. Based on some of their common characteristics, stock screening conditions are established, and then the screening conditions are applied to the 42 stocks listed on June 29, 2001, from which the best 10 basic conditions are selected Only stock, the 10 stocks have the basic potential of a high proportion of bonus shares in 2001. Finally, on the screening of the 10 stocks, according to their male