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。
So I use behavioral explanation to explain the BM effect: the BM effect is only because market overreaction to intangible information.
从行为金融方向解释，认为账面市值比效应是市场对账面市值比指标中包含的无形信息过度反应的结果。
On the other hand, we find in the bearish market overreaction on winner portfolio, and the possible reason is representative heuristics;
“熊市”中，在赢者组合上的投资者行为表现为过度反应，这可能是由于投资者的代表性启发式心理造成；
Overreaction is known as one of stock market anomalies.
过度反应是证券市场异象之一。
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。
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。
The paper analyzes empirically the overreaction phenomenon and its causes in Chinese stock market with the data of Shanghai stock exchange during the period of 1997-2004.
本文采用1997 - 2004年上海证券交易所的所有股票交易数据，对我国股票市场的过度反应及其成因进行实证分析。
The price signal in secondary market can lead to the industrial shift of listed companies, although there exists an overreaction.
二级市场的价格信号具有引致上市公司进行产业转移的功能，虽然存在着过度反应。
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。
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 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。
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。
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