We find that the long term performance of new shares are significantly lower than the stock index, and the higher the initial return is, the worse the long-term performance, which prove the existence of noise trading in the secondary market.

  • 新股上市后一年间的市场表现显著低于大盘指数,并且IPO首日收益越高的股票,长期表现越差,从而证实了我们关于二级市场存在噪声因素的推断。

  • 互联网摘选 2025-01-20 13:39:37

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