The Norges bank has kept interest rates unchanged since May of last year, but has signaled it may start raising earlier than previously indicated as inflation continues to be a worry.

挪威央行自去年五月起就保持利率不变，但是曾暗示有可能比预期提前提升利率，因为始终无法摆脱通胀的困扰。

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Researchers originally thought leptin signaled the body to stop eating and hoped that it might be harnessed as a weight-loss drug.

研究人员最初认为，瘦素能向人体发出停止进食的信号，并希望将其用作减肥药。

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Indian companies have signaled a willingness to buy overseas before. But the appetite for bigger deals may be on the rise.

此前，这些印度公司曾表示有意进行海外收购，但展开更大手笔收购的意愿似乎正在加强。

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But a late-session rally brought stocks back into the black, following reports that a top Greek politician, viewed as a contender to be the next prime minister, signaled a commitment to implement austerity measures despite previously opposing them.

WSJ: Dow Claws Back Into the Black

That demand had been a major sticking point for Karzai, who in return signaled he could be willing to consider immunity for U.S. forces beyond 2014.

CNN: Obama, Karzai agree to accelerate military transition

An increase in the value of the renminbi would be welcomed by nearly everyone, and the Chinese government has signaled flexibility, but ever reluctant to be viewed as yielding to foreign pressure, Beijing is vowing to act according to its own timetable.

FORBES: Currency Debasement Is A Beggar's Banquet