Secondly, the reversal effect in small-size firm stocks is more significant than the reversal effect in large-size firm stocks.

第二，小公司股票比大公司股票更容易发生反转。第三，市场态势为上升状态时的反转效应要显著大于市场态势为下降状态时。

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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。

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Well, Groupon used the disruptive tools available to every small- and mid-sized firm to gain a competitive advantage in the marketplace and capture that ever-elusive network effect.

FORBES: Why Midsize Companies Are Set to Lead Economic Growth