Sales and purchases of vintage non-agency MBS have been well above average levels in recent weeks as investors see value in the sector with the housing market recovering. The purchases are being made by traditional buyers such as money managers and insurance companies as well as by banks, according to industry analysts. Daily trading volume of non-agency MBS has averaged about $3.0 billion in recent weeks, based on an analysis of TRACE data by Barclays Capital. During the past six to 12 months, daily non-agency MBS trading averaged $1.7 billion to $2.0 billion. Some $1.09 trillion in non-agency MBS was...