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。

youdao

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。

youdao

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；

youdao

It also happens due to overreaction to some market surprise, a last-minute input, or a squeeze on cash.

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He said he sees the selloff tied to the latest drama in Cyprus as an "overreaction" and has been counseling clients not to see it as indicating a major change in the market's direction.

WSJ: Stocks Fall Globally as Investors Worry What's Next in Euro Zone