The ABX Home Equity 06-2 index, whose price reflects the market's view of bonds rated BBB-minus backed by subprime loans made earlier this year, has fallen sharply since mid-November (see chart).

11月中旬以来，ABX 住宅资产06-2指数大幅下跌，该指数反映了市场对以今年初发放的次优房款作支持的BBB- 级别债券的看法。