Abstract

Underwriters’ pricing behavior is partially unreasonable in China, and the overreaction of investors can easily lead to IPO break. The paper explores datum of listed companies between 2009 and 2016 in A share market and establishes Logistic Regression Model, aimed to pro how Underwriter Credit and Investor Sentiment affecting IPO break. Conclusions are as follows: overpricing of new shares will make IPO break easier; Underwriters Credit have opposite effect on IPO break; Investor Sentiment has negative relationship with IPO break significantly; underwriters can guide Investor Sentiment by credit weekly, in order to lower the probability of IPO break.

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