Fixed Rate BondA bond where the coupon's interest rate remains fixed for the entire term. Interest rate movements affect the bond's price not the coupon. Floating Rate Note（FRN）A bond where the coupon's interest rate is changed periodically in accordance to a specific market rate. Zero Coupon BondA bond that is issued and sold at a discount, pays no coupons and provides payment of the face value at maturity. SyndicateA group of banks authorized to be involved as the creditor of part of loan transaction. Junk BondA bond that is rated by a ratings agency as being below investment grade and investment in the bond is high risk.Investment GradeBond rated BBB and above or Baa and above by Standard & Poor's and Moody's Investor Service respectively. 固定利率债券在整个债券有效期限内，债券的息票利率保持不变的债券。利率的变动影响债券的价格而非息票。 浮动利率债券（FRN） 息票利率根据一定市场利率而发生周期性变化的债券。 零息债券打折出售的到期不支付利息只支付面值的债券。 辛迪加 被授权作为债权人参与部分贷款事务的银行联合组织。 垃圾债券 被信用级别评定机构评定为低于投资级别的投资风险高的债券。 投资级别 分别被标准普尔和穆迪投资者服务公司评定为BBB以上或Baa以上的债券。