In the past two weeks, BlackRock has completed auctions of vintage non-agency MBS with a total unpaid principal balance of $8.1 billion. While the sales had the potential to push too much supply into the market, investor demand for the securities appears to have been strong. The market absorbed the first auction, for $3.7 billion in mostly subprime MBS from 2006, “without a hiccup,” according to analysts at Barclays Capital. Credit Suisse submitted winning bids on all of the non-agency MBS auctioned by BlackRock in the past two weeks, with most of the securities quickly being placed with other investors, indicating strong demand. Of the $3.7 billion in non-agency MBS auctioned last week, 96 percent of the balance was placed...