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1.Introduction Stock prices of IT listed companies in Chinese stock A market have slumped by a big margin since their sudden rise in early 2000.Since then,the performance of almost all these companies isn t very good,and the stock prices of the majority
1. Introduction drawing prices of IT listed companies in Chinese stock A market have slumped by a big margin since their sudden rise in early 2000.Since then, the performance of almost all these companies is not very good, and the stock prices of the majority