The non-agency MBS market continued to cast a big shadow over the mortgage securities market during the second quarter of 2005, accounting for a record 56.6 percent of total issuance during the period, according to a new analysis by Inside MBS & ABS. That moved the non-agency sector up from a 55.0 percent market share set during the first three months of the year. The non-agency market first shot past the 50 percent mark back… [One data table included]