Tuesday(8month4day)In the New York market, spot gold rose by more than30US dollar, reaching a historic high2009.48dollar/Ounces, spot silver up close7%, refreshing the highest point in the past week to25.977dollar/盎司;随着美国国债收益率创历史新低,负收益率债券开始在全球范围内蔓延,这一情况刺激了贵金属的投资需求;此外也得益于市场对美国国会刺激法案谈判取得进展的预期升高,如果刺激法案达成,可能进一步增加流动性,压低利率水平。