Market Overreaction的意思|示意

One of them is overreaction (contrarian effect). It not only has influence on investors' decision-making behavior, but also has something to do with the efficiency of the financial market.

过度反应现象（反转效应）就是其中之一，它不仅影响到投资者的决策行为，而且还关系到金融市场是否有效的问题。

Empirical evidence shows that the majority of contrarian profits in Chinese stock market are due to overreaction while a small part is due to negative correlation of common factor in time series.

实证表明，中国证券市场的反向利润绝大多数源于股票的反应过度，有少部分源自共同因素在时间序列上的负相关。

The abnormal trading volume and returns around the period of the rename of the stock and the overreaction of the market on the rename of the stock are found.

研究发现在股票更名前后存在超常交易量和超额收益率，市场对更名事件存在过度反应。

There is delay reaction and converse reaction to good news and overreaction to bad news. These phenomena show the existence of leverage effect in China stock market.

对好消息反应延迟且逆向反应，对坏消息反应过度，这反映出中国股市“杠杆效应”的存在。

The empirical result indicates some individual stock of our security market exist the short-term overreaction phenomenon.

实证结果表明我国证券市场的个股存在短期过度反应现象。

He bought shares in late September, betting on a market overreaction.

他在九月底买入了惠普的股份，赌定股市一定会出现过度反应。