Fueled by a surge in adjustable-rate mortgages, the Alternative A securitization market reached 2005’s midway mark on a record pace, a new analysis by Inside Alternative Mortgages reveals. Overall, $149.93 billion in Alt A loans were securitized during the first six months of the year – a huge 123.6 percent increase from the same period last year. That increase was driven by a strong second quarter, when volume reached a best-ever $80.38 billion. … [One data table included]