They tend to operate on a hair trigger so they can profit from breaking news before other investors act and wipe out their advantage.

他们常常一触即发以至于能在其他的投资人行动，丧失优势前从爆炸新闻中盈利。

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Investors fall into a special category as news consumers; they tend to operate on a hair trigger so they can profit from breaking news before other investors act and wipe out their advantage.

作为新闻的消费者，投资人是一个特殊的类别。他们常常一触即发以至于能在其他的投资人行动，丧失优势前从爆炸新闻中盈利。

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Chemical sprays like air fresheners,hair spray, household cleaning products and even strong perfumes can also trigger an asthma attack.

VOA: special.2009.07.28

Chemical sprays like air fresheners, hair spray,cleaning products and even strong beauty aids can trigger an asthma attack.

VOA: special.2010.09.07

In a crisis, the temptation would always be to hold these missiles on a hair trigger, to be launched on warning of an incoming attack rather than lost to an enemy strike.

ECONOMIST: It's worse than you thought

What is more, it is a hair trigger.

ECONOMIST: America and Iraq

The same Capsugel deal today, Kravis said, would have a cost of capital near 9%, a reflection of the late-summer weakness in equity markets and window closing in the high-yield market, which moves on a hair trigger in turbulent times.

FORBES: KKR's Henry Kravis: 'Any Fool Can Buy A Company'