Lagging global growth prospects and increased uncertainty are driving a flight to perceived safety, pushing down Treasury yields.

变慢的全球经济发展前景和增加的不确定性，正在促使经济快速向有安全感的地区转移，使国库券的投资收益减少。

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Fears that the US and other major economies are slowing sharply sent investors piling into the safety of government debt yesterday , pushing UK, German and US bond yields down to record lows.

由于担心美国和其它主要经济体的增长将会大幅放缓，投资者昨日纷纷涌入国债市场寻求避险，将英国、德国和美国的国债收益率推低至创纪录低点。

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Worse still, investors then tend to switch into government bonds, pushing down yields.

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Draghi verbally intervened markets and then unveiled an open ended bond-buying plan to support Spanish and Italian borrowing costs by pushing down yields.

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U.S. Treasury bonds and notes are rallying, pushing down yields.

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