As mentioned in Businessweek,
The Markit CDX North America Investment Grade Index, a credit-default swaps benchmark that investors use to hedge against losses or to speculate on creditworthiness, rose 4.3 basis points to a mid-price of 104.5 basis points at 4:42 p.m. in New York, according to prices compiled by Bloomberg. The measure is poised for the highest close since it reached 109 basis points Aug. 2.