伯爵

Should US default, the bond price would decrease. And the yield rate of US bond is commonly used as the risk-free rate in many financial asset/portfolios. So the default is not only cause a panic in the bond market, but also a chaos in the capital market. The commodity market, like oil and metal, will also go down as a result of the fear that US is falling into recession again. I think people would purchase more risk-averse assets like gold. Or they may wish to hold cash in their hands.