On October 27, according to statistics, under the impetus of many good information policies, from September 24 to October 25 (excluding newly listed stocks for less than half a year and new stocks), there were up to 161 stocks that doubled their prices. Such a situation, with more than 150 stocks doubling their prices in a short period of time, is rare in the history of the Chinese stock market. For example, from November 19, 2014 to December 19, 2014, there were only fewer than 10 stocks that doubled their prices while the SSEC index increased by more than 26%. By industry group, in this rising market (from September 24 to October 25), with the highest daily price increase of 30%, trading activities on the Beijing stock market increased significantly, with the Beijing 50 index increasing by nearly 110% during the same period, with up to 76 stocks doubling their prices, accounting for nearly half of the total; followed by 45 stocks doubling their prices in the project stock market, 27 stocks on the main board, and 13 stocks on the technology board.