There are still some anomalies such as small-firm effect, time effect, Book-to-market effect, momentum trading strategy and contrary investment strategy.

存在着像规模效应、时间效应、价值效应、惯性策略与反转策略等诸多异常现象。

youdao

The first is momentum trading - buy when a ripple starts running through the crowd, sending the market higher, and sell when that ripple starts losing speed.

第1个是动能交易——当波动在人群中蔓延，推高市场的时候买入，当波动开始失去速度的时候卖出。

youdao

It is proposed that volume comprises some important information about the future stock price, and it may be a proxy of the speed of information diffusion and the amount of momentum trading.

成交量包含未来股价走势的重要信息，能够测度私有信息的扩散速度及动量交易的规模。

youdao

My guess is that this market activity has more to do with momentum trading, in this case to the downside, than anything else.

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"It's very much driven by a good story and fast money and momentum trading rather than a belief among the world's institutional investors or real-money investors that the weaker yen is sustainable, " Mr. Dehn said.

WSJ: Tokyo Stocks' Rally Shifts Gears

There's plenty of evidence that stock prices are slow to react to news, creating the potential for making money from momentum trading, says Tobias Moskowitz, a finance professor at the University of Chicago who studies market anomalies.

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