Officials at Fannie Mae said they learned from Freddie Mac when structuring their pending risk-sharing transaction, including getting the deal rated. Investors are generally impressed with the transactions and look forward to more. Fannie’s Connecticut Avenue Securities Series 2013-C01 is scheduled to close on Oct. 24, according to a presale report released late last week by Fitch Ratings. The higher of the two tranches offered for sale is set to receive a BBB- rating, the lowest investment grade rating available. Speaking at the ABS East conference produced by Information Management Network this week in Miami, Laurel Davis, a vice president at Fannie Mae, said...