Zhang Mingxing 198 1 was admitted to Hunan Central South University of Technology from his hometown of Jiangxi. After graduation, I continued to pursue graduate studies, and then engaged in teaching and scientific research in north china university of technology Institute of Quantitative Economics. 1993 Up to now, I have worked as a full-time stock reviewer in China Securities Market Research and Design Center and He Xun Information. 1997 was rated as the most popular stock reviewer by investors in the survey of Securities Market Weekly.