A major concern investors have about unsecured corporate bonds, no matter how highly rated, is that the rating agencies will downgrade them because of some disruptive event affecting the issuer.
A major concern investors have about unsecured corporate bonds, no matter how highly rated, is that the rating agencies will downgrade them because of some disruptive event affecting the issuer.
投资者对于没有保证的公司债券的主要担心在于，不论现在的评级有多高，一旦发生对发行人产生严重影响的事件，评级机构将调低其评级。